How many movies have Aleksandr Goldshteyn and Vyacheslav Kotyonochkin collaborated on?

They have worked on 4 movies together! Their first movie together was Ну, погоди! Выпуск 11 (1977) while their highest rated movie together was Ну, погоди! Выпуск 13 (1980). They have not worked together since Ну, погоди! Выпуск 14 (1984). They are most known for their animation films together.