Statement

William is exhausted of its annoying roommates and their never-ending parties. But after some months of money saving, he has finally accomplished to move into an independent house! Since his budget is quite limited, he opted for a prefabricated building consisting of two blocks: (1) a ground block, with the entrance and a living space, of size A × B centimeters; (2) a roof block with a bedroom, to be put on top of the other. The roof block is usually supposed to have the same size of the ground block. However, William has been cheated by an unprofessional ebay vendor which shipped a roof block of size X × Y centimeters to him. Now William has no choice but to make the best out of a bad situation, and use the provided blocks in some way. In particular, due to their peculiar joints the blocks need to be arranged so that...