Plot
Four school graduates congratulate their teacher of mathematics Yelena Sergeyevna on her birthday and ask her to return them their graduate works on mathematics in order to change them before the marks. Yelena Sergeyevna strongly objects...
| Writer | Lyudmila Razumovskaya |
|---|---|
| Director | Eldar Ryazanov |
| Actor | Marina Neyolova, Natalya Shchukina, Dmitriy Maryanov |
| Country | Soviet Union |
| Production | Mosfilm |