UVA13106 Vogons

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5017 [PDF](https://uva.onlinejudge.org/external/131/p13106.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13106/f48787f59e4802d47d37165a84bd5953def2dddc.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13106/d9689b25c05b4232eddd74d1f3017598c05e8f1f.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13106/bf490b920c4ab0927c13b9b5157e94628291474d.png)