Problem 2

Problem 2 Ross Geller likes to entertain his friends, decided to establish some kind of game called Pheobenacci. And here is what he invented: f players sit around a round table. There is f * k cards with unique numbers of range 1..f*k. Each player has k cards. In each set of the game each player selects some card and everyone shows his card at the same time. Card of ith player is compared to car