UVA11120 Very Funny Mr. Feynman

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=23&page=show_problem&problem=2061 [PDF](https://uva.onlinejudge.org/external/111/p11120.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11120/ac00ce1a1da9cb9d3a15ae7b5f52a28d20d41fc9.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11120/c5da8d8db26859a1f8d1ef41bd3ad2d6140c3db5.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11120/1cd533b52df03b477dbdd86339a5c75c883b80c9.png)