UVA10200 Prime Time

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=14&page=show_problem&problem=1141 [PDF](https://uva.onlinejudge.org/external/102/p10200.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10200/65b82c3b46aa1cf3186e91c4ea69eb96fd474e55.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10200/65dfc3a19825a97f7a41587feb1b71ff91bcbb6e.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10200/53dd43d468308a1daf45281c3350b7a31f4089eb.png)