UVA309 FORCAL

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=5&page=show_problem&problem=245 [PDF](https://uva.onlinejudge.org/external/3/p309.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA309/5ce5b1b96f179043a0b1ccb143c15570f7f893d9.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA309/a49a93d18dfe416d4a4f1afe5804f10a72037d3a.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA309/307c68248d70d43248a2668cb016ddd93c3b72dc.png)