Secretary-General of the Organisation for Economic Co-operation and Development (OECD) Mathias Cormann, EU Commission President Ursula von der Leyen, Ukrainian Prime Minister Denys Shmyhal, and German Chancellor Olaf Scholz walk on the day of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz and Ukrainian Prime Minister Denys Shmyhal attend a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

Ukrainian Prime Minister Denys Shmyhal looks on during a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen, German Chancellor Olaf Scholz, Ukrainian Prime Minister Denys Shmyhal and other attendees applaud as Ukrainian President Volodymyr Zelenskiy delivers a keynote address during a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

Attendees watch Ukrainian President Volodymyr Zelenskiy's keynote address on a screen during a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

Ukrainian President Volodymyr Zelenskiy delivers the keynote address via a screen during a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen, German Chancellor Olaf Scholz and Ukrainian Prime Minister Denys Shmyhal listen to Ukrainian President Volodymyr Zelenskiy's keynote address during a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen speaks as she hosts a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz and Ukrainian Prime Minister Denys Shmyhal attend a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz and Ukrainian Prime Minister Denys Shmyhal attend a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

Ukrainian President Volodymyr Zelenskiy delivers the keynote address during a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz looks on ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz speaks during an opening statement as he hosts a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz speaks during an opening statement as he hosts a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz speaks as he hosts a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz speaks as he hosts a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen, German Chancellor Olaf Scholz, Ukrainian Prime Minister Denys Shmyhal and Poland's Prime Minister Mateusz Morawiecki attend a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen speaks with German Chancellor Olaf Scholz ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

Ukrainian Prime Minister Denys Shmyhal walks ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen, Switzerland's President Ignazio Cassis and German Chancellor Olaf Scholz pose ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen, Ukrainian Prime Minister Denys Shmyhal and German Chancellor Olaf Scholz pose ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen, Ukrainian Prime Minister Denys Shmyhal and German Chancellor Olaf Scholz pose ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen welcomes Ukrainian Prime Minister Denys Shmyhal next to German Chancellor Olaf Scholz ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen speaks with Switzerland's President Ignazio Cassis as they stand next to German Chancellor Olaf Scholz ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen looks on ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen, Poland's Prime Minister Mateusz Morawiecki and German Chancellor Olaf Scholz pose ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen, Poland's Prime Minister Mateusz Morawiecki and German Chancellor Olaf Scholz pose ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen, International Monetary Fund Managing Director Kristalina Georgieva and German Chancellor Olaf Scholz pose ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz speaks with EU Commission President Ursula von der Leyen ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

International Monetary Fund Managing Director Kristalina Georgieva walks ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen, International Monetary Fund Managing Director Kristalina Georgieva and German Chancellor Olaf Scholz stand ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen welcomes International Monetary Fund Managing Director Kristalina Georgieva as they stand next to German Chancellor Olaf Scholz ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen, International Monetary Fund Managing Director Kristalina Georgieva and German Chancellor Olaf Scholz pose ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen speaks with German Chancellor Olaf Scholz ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz and EU Commission President Ursula von der Leyen stand ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz stands ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz and EU Commission President Ursula von der Leyen shake hands ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz and EU Commission President Ursula von der Leyen shake hands ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

EU Commission President Ursula von der Leyen smiles as she walks ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz and EU Commission President Ursula von der Leyen stand ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz and EU Commission President Ursula von der Leyen stand ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz and EU Commission President Ursula von der Leyen walk ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz and EU Commission President Ursula von der Leyen stand ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz stands ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

German Chancellor Olaf Scholz stands ahead of a conference on post-war reconstruction of Ukraine in Berlin, Germany, October 25, 2022. REUTERS/Michele Tantussi 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne TPX IMAGES OF THE DAY 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne 

People queue at the post office to receive back payments of their pension and state aid from the seven-month period of Russian occupation in their town, whereby they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne TPX IMAGES OF THE DAY 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne 

People queue at the post office to receive back payments of their pension and state aid from the seven month period of Russian occupation in their town, where they say they received no payments and could not work or leave, amid Russia's attack on Ukraine, in Savyntsi, Ukraine, October 22, 2022. REUTERS/Clodagh Kilcoyne