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

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10271/4c60b106f13c1c1afcc801a1b691c205f32814a9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10271/950bdc1ccf2b1039bd67d0e997dee4c29c487888.png)