UVA13191 Tobby Primes

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5102 [PDF](https://uva.onlinejudge.org/external/131/p13191.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13191/87cef86d9ead80e21599704b797bec1ada2af836.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13191/73fd46d2d8b7215fada9faec0608816e88245a1f.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13191/c8d9d995c7aed739c72918e3a3f587338a733945.png)