UVA10780 Again Prime? No Time.

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=19&page=show_problem&problem=1721 [PDF](https://uva.onlinejudge.org/external/107/p10780.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10780/3d0cf7af5612472e954446fcdb255b0fa3a5b319.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10780/ddfda16474dfe1b7303cd66fe53ee037e4720d73.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10780/093bfbb23aad985a5bf2688d43a9b41fa28421d1.png)