UVA13130 Cacho

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5041 [PDF](https://uva.onlinejudge.org/external/131/p13130.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13130/fef7b0844ed6e3d4082445a892df984e1cb04c9d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13130/12065d20fb28bd1e428e3c3a701c5ab44fd557fe.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13130/9671006919f9c319ab3de3710e8f03c50d515e2f.png)