UVA13157 Prime Distance

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5079 [PDF](https://uva.onlinejudge.org/external/131/p13157.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13157/a7fcf82e3e5b870522180d41dcc3e28b08b60fcd.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13157/68f1386aabc1e7b62bcbc30b0842c1872006189e.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13157/4a9e645b57ade5fec3d730d75af21c3d99dcea46.png)