UVA10031 Saskatchewan

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=12&page=show_problem&problem=972 [PDF](https://uva.onlinejudge.org/external/100/p10031.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10031/110961ff31530b764beb6f4d2cd4c23cb55a62d8.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10031/31eb490aeb9bf5576dae7980cdd8f53c8f88d1d8.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10031/067a4d2b4debe2a3e279f6da431d3d11df420a6f.png)