UVA618 Doing Windows

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=8&page=show_problem&problem=559 [PDF](https://uva.onlinejudge.org/external/6/p618.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA618/f664cc13631b490993f185d2f1e78adc94801512.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA618/577110a9bfafc075a115e7eb1319071ad54f4c25.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA618/6f710fc5cdd2f7c5c89c4b66feb60b984c12a41d.png)