UVA10286 Trouble with a Pentagon

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=14&page=show_problem&problem=1227 [PDF](https://uva.onlinejudge.org/external/102/p10286.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10286/1ebc98a892e7da7e34e7b604a11fc41e6f5b37c1.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10286/dab4e1c920672c401a63249ef97ec63e1f08fc62.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10286/bb7500aa99a6651159beed85202a7d7261e1a844.png)