UVA12896 Mobile SMS

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4761 [PDF](https://uva.onlinejudge.org/external/128/p12896.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12896/503d85b47bc062714c6b95152228dfe701d7c759.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12896/1cc5e268a74da1d01b13a9e4b9edf7b5dfa52a4e.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12896/e0374b12cfa6fe4d104fa92b6a1ce66e77f8f292.png)