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有，不止有一，有好多

Posted by MIRKING at 2008-06-11 14:36:04 on Problem 2243
In Reply To:何错之有？？？？？？？困惑 Posted by:bootshl at 2008-06-11 13:36:00 
Input：
a1 a3
a2 a4
a1 a4
a1 a5
……
Output：
7
6
7
7
……
以上省略若干
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