UVA282 Rename

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=218 [PDF](https://uva.onlinejudge.org/external/2/p282.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA282/9d1486fd6c2f432361bc46d6c096cba383b49a1c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA282/0247b71ad8bdebe596d63ecbc40fd414d0f0796d.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA282/74983f8222fd015791d8e092c103f32751e16aae.png)