UVA10034 Freckles

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=12&page=show_problem&problem=975 [PDF](https://uva.onlinejudge.org/external/100/p10034.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10034/b178fe12ab2684d531a2d302e9fc9c585ba1f680.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10034/638a354ad459c082b972d9ad33cc8fce903e7399.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10034/5d75816129b6b4e6aa59135397a8bbaf14fd87c7.png)