UVA164 String Computer

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=100 [PDF](https://uva.onlinejudge.org/external/1/p164.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA164/fd0399d92b973e20eb81e54daafe58adceace87e.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA164/d0f8573b84219c5df8cc258182e7413850ed7dce.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA164/4e683a759e27e31c72563359ec320c8a8f3cc786.png)