Problem A. 280. (December 2001)

A. 280. Subscribers can reach the text of the problem after signing in. The text will be public from December 15, 2001.]

(5 pont)

Deadline expired on January 15, 2002.

Statistics:

12 students sent a solution.
5 points:	Balogh 541 János, Boros Vazul, Csernenszky András, Csóka Endre, Gerencsér Balázs, Harangi Viktor, Kovács Erika Renáta, Kunszenti-Kovács Dávid, Pach Péter Pál, Rácz Béla András.
0 point:	2 students.

Problems in Mathematics of KöMaL, December 2001