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.
1948
2019
2020
1981
1952
2024
2017
2008
2007
2021
2014
1960
2010
2025
1942
2011
2003
