Statement

This year, as usual, the Italian National Final Round of IIOT took part in the city of Bologna. Interestingly, many teams (namely, N × M teams) entered the competition, and they were assigned each a table with two laptops, inside the competition room. The competition room contains N × M tables arranged in a grid with N rows and M columns. During the round, a lot of teams brought snacks, drinks, pizzas, pasta bolognese, and much more to perform better and score higher, and now that the round is over, the room was left full of rusco!. Alessandro and Carlo are still in the contest room while the other members of the Italian Staff are already at the Dragon Pub to party after the round. Carlo wants to rush to the party, however Alessandro feels bad to leave all this rusco in the room, so he forces Carlo to stay with him to clean up some of it...