10:6:2

题目描述

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=441&page=show_problem&problem=4023 [PDF](https://uva.onlinejudge.org/external/125/p12578.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12578/21e9e2c9aecabe9bb2bf417ec42eba8f91b0904f.png)

输入输出格式

输入格式

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12578/6bae67cf4b385baa613db9b3e95a80675edfb1fd.png)

输出格式

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12578/8c2acde2e7217d605fc438d68558fef71d5db2de.png)

输入输出样例

输入样例 #1

1
10

输出样例 #1

12.57 47.43