Pyramid Cake

Time Limit	Memory Limit	Input File	Output File
1 second	256 MiB	`Standard Input`	`Standard Output`

- Subtask 1 (20 points) has 17 cases.
- Subtask 2 (25 points) has 28 cases.
- Subtask 3 (25 points) has 20 cases.
- Subtask 4 (30 points) has 44 cases.