UVA10696 f91

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=18&page=show_problem&problem=1637 [PDF](https://uva.onlinejudge.org/external/106/p10696.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10696/417821211489ba3b42f870507e7e88dc024e02df.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10696/3f4a1d2c5599a551750698eb59b0a03282cfa4d8.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10696/87758ac22cfe1b481146e1b8d8352f7a22d24bd0.png)