一个研究课题 A Research Problem

题目描述

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=20&page=show_problem&problem=1778 [PDF](https://uva.onlinejudge.org/external/108/p10837.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10837/e3dcf80ab6b6a69d63cdff1e061940bbc0fe2a76.png)

输入输出格式

输入格式


![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10837/f7cbb9fbde5e9fb81eda7703bcbb08f6cf94a29e.png)

输出格式


![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10837/1a72060abebbb1dee35f9c3051bfa6d34359484b.png)

输入输出样例

输入样例 #1

12
24
2280960
5000000
0

输出样例 #1

Case 1: 12 13
Case 2: 24 35
Case 3: 2280960 2283989
Case 4: 5000000 6265625