How many movies have Hana Jírková and Jarmila Šťastná collaborated on?

They have worked on 4 movies together! Their first movie together was Jak se stal hastrman v Rokytnici ševcem (1970) while their highest rated movie together was Muzikant (1971). They have not worked together since Konec agenta č. 312 (1974). They are most known for their comedy films together.