Footwork — ORAC

Time Limit	Memory Limit
1 second	256 MiB

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Problem info

- Subtask 1 (12 points) has 44 cases.
- Subtask 2 (24 points) has 20 cases.
- Subtask 3 (6 points) has 30 cases.
- Subtask 4 (20 points) has 45 cases.
- Subtask 5 (38 points) has 75 cases.