Let . One needs to cover the table using only the following tiles: Tile 1 - A square . Tile 2 - A L-shaped tile with five cells, in other words, the square without the upper right square . Each tile 1 covers exactly cells and each tile 2 covers exactly cells. Rotation is allowed. Determine all pairs , such that the covering is possible.
RIOPLATENSE 2022
Olimpiada Rioplatense 2022.