The doors of the jam produced by a company do not open. In order for them to be able to sell their jam, they reward the one who can open the jam. All the people try to open the door of the jam.
1981
2024
1963
2022
2009
2019
1944
2017
2013
1999
2023
2008
2003
1939
2004
2002
1952
1951
