UVA395 Board Silly

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=5&page=show_problem&problem=331 [PDF](https://uva.onlinejudge.org/external/3/p395.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA395/b0ded452491bb612cb424b9b0772d128ccef9bf8.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA395/25d9504d451d33227dcb372c5920d4b554fabc59.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA395/47c0fe380d8375fbcfa4997763fb0f75838c36b1.png)