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.
2013
1947
1936
1990
1945
1989
1958
1955
1965
1948
1940
1960
1938
1977
1916
2023
1919
2016
