UVA10880 Colin and Ryan

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=20&page=show_problem&problem=1821 [PDF](https://uva.onlinejudge.org/external/108/p10880.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10880/ef34e3ff9b032d85584784a8deb45e0960b2afbd.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10880/ed25e33e4ce4709171dd050423448d7fbf1f3771.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10880/a5885de289793c317de2a1a24149ccbbab559582.png)