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Winter
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Time Limit
Memory Limit
Input File
Output File
1 second
256 MiB
Standard Input
Standard Output
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Problem info
Subtask 1 (20 points) has 16 cases.
Subtask 2 (20 points) has 9 cases.
Subtask 3 (35 points) has 22 cases.
Subtask 4 (25 points) has 38 cases.