UVA226 MIDI Preprocessing

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=162 [PDF](https://uva.onlinejudge.org/external/2/p226.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA226/c7fea1dd30d8a1622d72d72532175cd531237ebc.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA226/0819fca68c71bfa02c348faf7c55c6a6673a7220.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA226/ab21b6a63b7db09246a269eded7d26fee0bfbe6e.png)