problem #221 - Zero-Break

Zero-Break

Time Limit: 1 SecMemory Limit: 256 MiB

Example Input 1

3 4
4 2 2

Example Output 1

Example Input 2

25 4
3 2 2 3 2 2 2 2 2 2 2 2 2 3 2 1 2 3 3 2 2 2 2 2 2

Example Output 2

376375013

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