UVA10271 佳佳的筷子 Chopsticks

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=14&page=show_problem&problem=1212 [PDF](https://uva.onlinejudge.org/external/102/p10271.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10271/109654991f83d3c331289beacbf4a4310d9c5d33.png)

Input Format

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Output Format

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