UVA10138 CDVII

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=13&page=show_problem&problem=1079 [PDF](https://uva.onlinejudge.org/external/101/p10138.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10138/d91bf0cc163a30cdb9e4e4942a1ee3c1ac74a553.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10138/940d13dd060464fd588bb7e905da9d55dac147db.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10138/7bb7e517cc1a61356627b00dcb0cb73425af5d26.png)