Snap Dragons III: Binary Snap

Time Limit	Memory Limit	Input File	Output File
1 second	256 MiB	`snapin.txt`	`snapout.txt`

Problem info

- Subtask 1 (30 points) has 7 cases.
- Subtask 2 (20 points) has 13 cases.
- Subtask 3 (20 points) has 46 cases.
- Subtask 4 (30 points) has 64 cases.