UVA13254 Fish

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=878&page=show_problem&problem=5177 [PDF](https://uva.onlinejudge.org/external/132/p13254.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13254/bbb7c83fc54bfb67b49cdabee345501e96b82f7f.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13254/3bd614d36f312bc6fbe23ec9d3a126cb121d7c11.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13254/e4c0289ca036e44c4c59c3324df3d3115f1d41f6.png)