UVA11602 SMS for Blind

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=78&page=show_problem&problem=2649 [PDF](https://uva.onlinejudge.org/external/116/p11602.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11602/38a89e7a443a224992429528ca7974453dbd2ff5.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11602/78bff1a5f760ed01752c1d18fe0888d7329a3b68.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11602/bd4366e9c8d34586c50a9c0e827c8041ecae9d47.png)