UVA372 WhatFix Notation

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=5&page=show_problem&problem=308 [PDF](https://uva.onlinejudge.org/external/3/p372.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA372/0281272c9cdc722996cc0d68d5421da3ef75d071.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA372/aae77a9cce5b43f0fbba335d5382fbed1a2adbb8.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA372/6a99f836e9ce380bc130cfb9a32f8ed4cf29327d.png)