Athletics Track

题目描述

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=78&page=show_problem&problem=2693 [PDF](https://uva.onlinejudge.org/external/116/p11646.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11646/b4653931198557cda72b392ea124d02914691aad.png)

输入输出格式

输入格式


![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11646/fae5cddf541529b25a55d2f9aee918e0d2d8a852.png)

输出格式


![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11646/f16f0116075cb1f43a677c20acdce185d9434677.png)

输入输出样例

输入样例 #1

3 : 2
5 : 4

输出样例 #1

Case 1: 117.1858168913 78.1238779275
Case 2: 107.2909560477 85.8327648381