Ukrainian President Petro Poroshenko attends a meeting with supporters who have come to thank him for his work as a president, in Kiev, Ukraine, Monday, April 22, 2019. Political mandates don't get much more powerful than the one Ukrainian voters gave comedian Volodymyr Zelenskiy, who as president-elect faces daunting challenges along with an overwhelming directive to produce change. (AP Photo/Vadim Ghirda)

A soldier is silhouetted against a curtain at the presidential palace during a meeting between incumbent Ukrainian President Petro Poroshenko and supporters who have come to thank him for his work as a president, in Kiev, Ukraine, Monday, April 22, 2019. Political mandates don't get much more powerful than the one Ukrainian voters gave comedian Volodymyr Zelenskiy, who as president-elect faces daunting challenges along with an overwhelming directive to produce change. (AP Photo/Vadim Ghirda)

Ukrainian President Petro Poroshenko bows during a meeting with supporters who have come to thank him for his work as a president, as his wife, Maryna, applauds, in Kiev, Ukraine, Monday, April 22, 2019. (AP Photo/Vadim Ghirda)

Ukrainian President Petro Poroshenko helps his wife Maryna to leave a booth at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Efrem Lukatsky), APTOPIX

Ukrainian President Petro Poroshenko's wife Maryna stands with her husband at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainian President Petro Poroshenko is accepting defeat in the election for the country's top post. (AP Photo/Efrem Lukatsky), APTOPIX

Ukrainian comedian and presidential candidate Volodymyr Zelenskiy, center, leaves a booth at a polling station as his wife Olena Zelenska waits during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda), APTOPIX

A man holds his ballot at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

A man leaves a booth at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

A man casts his ballot at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

People wait to get their ballots at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

A man reads his balllot in a booth at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

A woman leaves a booth at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

A woman and her son cast a ballot at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

A man leaves a booth at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

A woman holds her ballot before voting at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

A man with a dog holds his ballot before voting at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

Voters cast their ballot at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Efrem Lukatsky)

People cast their ballots at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Efrem Lukatsky)

A man leaves a booth at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Efrem Lukatsky)

A woman and her daughter, left, leave a booth at a polling station during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

A woman casts her ballot at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Efrem Lukatsky)

A woman and her daughter, left, cast a ballot at a polling station during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

A man casts his ballot at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Efrem Lukatsky)

A man casts his ballot, as his pet waits for him at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Efrem Lukatsky)

An election official checks a booth at a polling station during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

A woman casts her ballot at a polling station during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

An Orthodox priest casts his ballot at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

A woman leaves a booth at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

A man holds his ballot at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

People cast their ballots at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

Voters read a bio of Ukrainian comedian and presidential candidate Volodymyr Zelenskiy, at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

An Orthodox priest leaves a booth at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

A man fills his ballot at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

A couple prepare to cast a ballot at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Efrem Lukatsky)

A Ukrainian government soldier casts his ballot at a polling station, during the second round of presidential elections near a front line in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

A Ukrainian government soldier casts his ballot at a polling station, during the second round of presidential elections near a front line in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

A Ukrainian government soldier gets his ballot at a polling station, during the second round of presidential elections near a front line in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

A Ukrainian government soldier leaves a booth at a polling station, during the second round of presidential elections near a front line in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

A Ukrainian government soldier demonstrates his ballot at a polling station, during the second round of presidential elections near a front line in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

A Ukrainian soldier casts his ballot at a polling station, during the second round of presidential elections near a front line in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

A Ukrainian soldier casts his ballot at a polling station, during the second round of presidential elections near a front line in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

A woman and her son, left, leave a booth at a polling station during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

A man casts his ballot at a polling station during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

A Ukrainian soldier, right, casts his ballot at a polling station during the second round of presidential elections near a front line in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

A Ukrainian soldier leaves a booth at a polling station, during the second round of presidential elections near a front line in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

A Ukrainian soldier casts his ballot at a polling station, during the second round of presidential elections near a front line in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

A woman kisses her granddaughter at a polling station during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda)

A woman leaves a booth at a polling station during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

Women leave a booth at a polling station during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

A man leaves a booth at a polling station during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits)

An elderly woman casts her ballot in the yard of her house during the second round of presidential elections in Novomykhailivka, Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Ukrainians cast ballots Sunday in a presidential runoff which had the incumbent struggling to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Evgeniy Maloletka)

An elderly woman casts her ballot in the yard of her house during the second round of presidential elections in Novomykhailivka, Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Ukrainians cast ballots Sunday in a presidential runoff which had the incumbent struggling to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Evgeniy Maloletka)

A shadow of an election commission member is cast as he walks to a private house during the second round of presidential elections in Novomykhailivka, Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Ukrainians cast ballots Sunday in a presidential runoff which had the incumbent struggling to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Evgeniy Maloletka)

An election commission member leaves a private house after helping an elderly woman vote during the second round of presidential elections in Novomykhailivka, Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Ukrainians cast ballots Sunday in a presidential runoff which had the incumbent struggling to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Evgeniy Maloletka)

A Ukrainian serviceman guards a position near the front line as the conflict continues in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

Ukrainians cast their ballots at a polling station, during the second round of presidential elections near a front line as the conflict continues in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

A Ukrainian serviceman scrambles into a military truck near the front line as the conflict continues in Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Evgeniy Maloletka)

A man dressed in a shirt with a portrait of Ukrainian comedian and presidential candidate Volodymyr Zelenskiy waits for Zelenskiy's press conference after the end of voting in second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Vadim Ghirda)

Ukrainian President Petro Poroshenko gestures while speaking at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Efrem Lukatsky)

Ukrainian President Petro Poroshenko gestures while speaking at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Efrem Lukatsky)

Ukrainian President Petro Poroshenko gestures while speaking as with his wife Maryna looks at him at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainian President Petro Poroshenko is accepting defeat in the election for the country's top post. (AP Photo/Efrem Lukatsky)

Ukrainian President Petro Poroshenko's wife Maryna stands with her husband at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainian President Petro Poroshenko is accepting defeat in the election for the country's top post. (AP Photo/Efrem Lukatsky)

Ukrainian President Petro Poroshenko gestures while speaking at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. A comedian who plays an inexperienced president on Ukrainian TV looked poised to reprise the role in real life after an exit poll indicated he received nearly three out of every four votes cast in a runoff election Sunday. (AP Photo/Efrem Lukatsky)

Ukrainian President Petro Poroshenko and his wife Maryna greet their supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainian President Petro Poroshenko is accepting defeat in the election for the country's top post. (AP Photo/Efrem Lukatsky)

Ukrainian President Petro Poroshenko and his wife Maryna embrace each other at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Efrem Lukatsky)

Ukrainian President Petro Poroshenko, and his wife Maryna sing the national anthem with supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Efrem Lukatsky)

Ukrainian President Petro Poroshenko gestures while speaking at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainian President Petro Poroshenko is accepting defeat in the election for the country's top post. (AP Photo/Efrem Lukatsky)

Ukrainian comedian and presidential candidate Volodymyr Zelenski speaks to his supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Vadim Ghirda)

Ukrainian President Petro Poroshenko and his wife Maryna greet their supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainian President Petro Poroshenko is accepting defeat in the election for the country's top post. (AP Photo/Efrem Lukatsky)

Ukrainian comedian and presidential candidate Volodymyr Zelenskiy speaks to the media at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. A comedian whose only political experience consists of playing a president on TV appeared poised to reprise the role in real life when an exit poll showed him winning Ukraine's presidential runoff Sunday in a landslide. (AP Photo/Sergei Grits)

Ukrainian comedian and presidential candidate Volodymyr Zelenski speaks to his supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Vadim Ghirda)

Ukrainian comedian and presidential candidate Volodymyr Zelenski speaks to his supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Vadim Ghirda)

Ukrainian comedian and presidential candidate Volodymyr Zelenski speaks to his supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Vadim Ghirda)

Ukrainian comedian and presidential candidate Volodymyr Zelenski speaks to his supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Vadim Ghirda)

Ukrainian comedian and presidential candidate Volodymyr Zelenski speaks to his supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Vadim Ghirda)

Ukrainian comedian and presidential candidate Volodymyr Zelenski speaks to his supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Vadim Ghirda)

Ukrainian comedian and presidential candidate Volodymyr Zelenski speaks to his supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Vadim Ghirda), APTOPIX

Ukrainian comedian and presidential candidate Volodymyr Zelenskiy speaks to the media and his supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. A comedian whose only political experience consists of playing a president on TV appeared poised to reprise the role in real life when an exit poll showed him winning Ukraine's presidential runoff Sunday in a landslide. (AP Photo/Sergei Grits)

Ukrainian comedian and presidential candidate Volodymyr Zelenskiy speaks to the media and his supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. A comedian whose only political experience consists of playing a president on TV appeared poised to reprise the role in real life when an exit poll showed him winning Ukraine's presidential runoff Sunday in a landslide. (AP Photo/Sergei Grits)

Ukrainian comedian and presidential candidate Volodymyr Zelenskiy speaks to the media and his supporters at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. A comedian whose only political experience consists of playing a president on TV appeared poised to reprise the role in real life when an exit poll showed him winning Ukraine's presidential runoff Sunday in a landslide. (AP Photo/Sergei Grits)

Election officials start counting ballots at the polling station after the second round of presidential elections in Mariinka, Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Evgeniy Maloletka)

A ballot with a vote for Ukrainian comedian and presidential candidate Volodymyr Zelenski is seen on a table as election officials start counting ballots at the polling station after the second round of presidential elections in Mariinka, Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Evgeniy Maloletka)

Election officials start counting ballots at the polling station after the second round of presidential elections in Mariinka, Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Evgeniy Maloletka)

Election officials start counting ballots at the polling station after the second round of presidential elections in Mariinka, Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Evgeniy Maloletka)

Election officials start counting ballots at the polling station after the second round of presidential elections in Mariinka, Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Evgeniy Maloletka)

Ukrainian President Petro Poroshenko gestures while speaking at his headquarters after the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. A comedian whose only political experience consists of playing a president on TV appeared headed for a landslide victory in Ukraine's real-life presidential election Sunday. (AP Photo/Efrem Lukatsky)

An Orthodox priest casts his ballot at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits), APTOPIX

Ukrainian comedian and presidential candidate Volodymyr Zelenskiy, center left, and his Olena Zelenska, second right, arrive at a polling station, during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Sergei Grits), APTOPIX

A dog looks out of a voting cabin as a man casts his vote during the second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Top issues in the election have been corruption, the economy and how to end the conflict with Russia-backed rebels in eastern Ukraine. (AP Photo/Vadim Ghirda), APTOPIX

A man dressed in a shirt with a portrait of Ukrainian comedian and presidential candidate Volodymyr Zelenskiy waits for Zelenskiy's press conference after the end of voting in second round of presidential elections in Kiev, Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Vadim Ghirda), APTOPIX

Election officials start counting ballots at the polling station after the second round of presidential elections in Mariinka, Donetsk region, eastern Ukraine, Sunday, April 21, 2019. Ukrainians voted on Sunday in a presidential runoff as the nation's incumbent leader struggles to fend off a strong challenge by a comedian who denounces corruption and plays the role of president in a TV sitcom. (AP Photo/Evgeniy Maloletka), APTOPIX

A woman casts her ballot at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei GAPON / AFP)

A woman casts her ballot at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei GAPON / AFP)

A woman casts her ballot at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei GAPON / AFP)

A woman casts her ballot at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei GAPON / AFP)

A woman casts her ballot at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Genya SAVILOV / AFP)

A woman walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei SUPINSKY / AFP)

A man walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Genya SAVILOV / AFP)

A woman casts her ballot at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Genya SAVILOV / AFP)

A parent allows a child to put the ballot paper into a ballot box at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei GAPON / AFP)

An elderly woman walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei SUPINSKY / AFP)

A voter with a dog stands inside a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei SUPINSKY / AFP)

A voter walks past an information placard bearing portraits of the both candidates - President Petro Poroshenko and comedian Volodymyr Zelensky - at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei GAPON / AFP)

A voter walks past an information placard bearing portraits of the both candidates - President Petro Poroshenko and comedian Volodymyr Zelensky - at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei GAPON / AFP)

A voter looks at an information placard bearing portraits of the both candidates - President Petro Poroshenko and comedian Volodymyr Zelensky - at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei GAPON / AFP)

A man with a dog walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei SUPINSKY / AFP)

A man with a dog walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei SUPINSKY / AFP)

A woman with a child holding an Ukrainian flag stands inside a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei SUPINSKY / AFP)

A woman looks through her ballot paper while sitting on a chair by a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei SUPINSKY / AFP)

A woman with a dog walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by GENYA SAVILOV / AFP)

An elderly woman casts her ballot at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Vasily MAXIMOV / AFP)

People vote at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei SUPINSKY / AFP)

A woman walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Vasily MAXIMOV / AFP)

A man with a baby casts his ballot at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Vasily MAXIMOV / AFP)

A woman allows a child to put her ballot paper into a ballot box at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei SUPINSKY / AFP)

A woman with a baby walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Vasily MAXIMOV / AFP)

A man walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei SUPINSKY / AFP)

A woman walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei SUPINSKY / AFP)

A woman walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Vasily MAXIMOV / AFP)

Ukrainian citizens living in Kyrgyzstan vote in the second round of Ukraine's presidential election at a polling station in the Ukrainian embassy in Bishkek on April 21, 2019. (Photo by Vyacheslav OSELEDKO / AFP)

Ukrainian citizens living in Kyrgyzstan vote in the second round of Ukraine's presidential election at a polling station in the Ukrainian embassy in Bishkek on April 21, 2019. (Photo by Vyacheslav OSELEDKO / AFP)

Ukrainian citizens living in Kyrgyzstan vote in the second round of Ukraine's presidential election at a polling station in the Ukrainian embassy in Bishkek on April 21, 2019. (Photo by Vyacheslav OSELEDKO / AFP)

Ukrainian citizens living in Kyrgyzstan vote in the second round of Ukraine's presidential election at a polling station in the Ukrainian embassy in Bishkek on April 21, 2019. (Photo by Vyacheslav OSELEDKO / AFP)

Ukrainian citizens living in Kyrgyzstan vote in the second round of Ukraine's presidential election at a polling station in the Ukrainian embassy in Bishkek on April 21, 2019. (Photo by Vyacheslav OSELEDKO / AFP)

Ukrainian citizens living in Kyrgyzstan vote in the second round of Ukraine's presidential election at a polling station in the Ukrainian embassy in Bishkek on April 21, 2019. (Photo by Vyacheslav OSELEDKO / AFP)

An elderly woman walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei GAPON / AFP)

A man with a dog walks out of a voting booth at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Vasily MAXIMOV / AFP)

Elderly people examine their ballot papers at a polling station during the second round of Ukraine's presidential election in Kiev on April 21, 2019. (Photo by Sergei SUPINSKY / AFP)