Welcome, or No Trespassing (Russian: Добро пожаловать, или Посторонним вход воспрещён, romanized: Dobro pozhalovat, ili Postoronnim vkhod vospreshchyon) is a 1964 Soviet satirical comedy film directed by Elem Klimov about the excessive restrictions that children face during their vacation in a Young Pioneer camp, imposed by their masters. Most of the cast are children, while the protagonist is the director Dynin, played by Yevgeniy Yevstigneyev. The film was selected to be screened in the Cannes Classics section of the 2015 Cannes Film Festival.