UVA11863 Prime Game

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=226&page=show_problem&problem=2963 [PDF](https://uva.onlinejudge.org/external/118/p11863.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11863/a6da338a026d65a4f1361483fc0e85d7ef9607fe.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11863/0eb042a006961051d383c54421d8013ebad964b3.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11863/9e9d1d599f2c3175d7132a4b52fd039ce0460ef1.png)