German spoken films

I remember seeing this film in cinema. It was hilarious. Some people complained about the sad ending, since all the main characters die. The funny thing is that the makers of the film knew the audience wouldn't like the ending. So the two leading actors show up on the screen after the finale and ask if anybody didn't like the ending. The shadows of many raised hands appear on the screen, as if from the real audience. The actors finally shoot the audience with machine guns. I think it's a brilliant ending. It's the logical ending for a film that owns a refreshing lack of respect towards the stereotypical structure of so many filmscripts.