UVA11530 SMS Typing

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=27&page=show_problem&problem=2525 [PDF](https://uva.onlinejudge.org/external/115/p11530.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11530/8600c0f7e163b0e9e7b687fc1f5ac3b702912d9c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11530/d26fd9a4061ea58e219da67af649de8a52f4ebb6.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11530/ff61c610053f7a9e8c322080b244e8d3cb69dbf8.png)