UVA853 DVD Subtitles

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=10&page=show_problem&problem=794 [PDF](https://uva.onlinejudge.org/external/8/p853.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA853/8916d829216074107593785b24b97b9aede3d7b0.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA853/b4ca820a80a336ebf701319bd7cdbccdba9007da.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA853/7b29d2b02537eef1ea6cb83247b71ccae1f1547b.png)