UVA770 Puncher

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=9&page=show_problem&problem=711 [PDF](https://uva.onlinejudge.org/external/7/p770.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA770/3f06b7337741fc5320a010e0a556368d76d8b908.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA770/8a831c0c2e685348f33c6a6fce8c1e15d79713eb.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA770/9a8bdcaf1dd8f82f06504e986aaee4854fa4d2de.png)