UVA13042 Ikroch

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=866&page=show_problem&problem=4940 [PDF](https://uva.onlinejudge.org/external/130/p13042.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13042/9afbc39d5eafba61dc79d650f497e6d1b9986bbb.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13042/84dc64f2ad8d805f32d472d19a7f621897740364.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13042/81aa5cda1064ae2ae98e1ff0f33020f87610bfce.png)