UVA12936 Hehe

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4815 [PDF](https://uva.onlinejudge.org/external/129/p12936.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12936/e24dd440850e971e2ccc29c8264791e8b57d2f13.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12936/6f3992ec768c8623375ade4535fc9deaa22e75e9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12936/8fc5529936ba511e189ec151dd56b7eacc8d8ad2.png)