How many movies have Jaroslav Hašek and Miloš Kopecký collaborated on?

They have worked on 4 movies together! Their first movie together was Jaroslav Hasek's Exemplary Cinematograph (1956) while their highest rated movie together was The Good Soldier Švejk (1957). They have not worked together since Tři muži se žralokem (1975). They are most known for their comedy films together.