UVA902 Password Search

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=11&page=show_problem&problem=843 [PDF](https://uva.onlinejudge.org/external/9/p902.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA902/8992d549887c77ee25264f986df757d09b8a4070.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA902/b91ddfdf9d34fe453e199ae74d8fd93a8bb5c49d.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA902/6f5641e6b1a2c06376677dcbd7e993145bb7c30e.png)