UVA13230 Brackets Everywhere

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=878&page=show_problem&problem=5153 [PDF](https://uva.onlinejudge.org/external/132/p13230.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13230/d83bb5b78656fcc555e0d67b3edd2975746b073e.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13230/465217f02d0f3a4e7acc6e685ef04f3e2ce22f71.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13230/5beccfeb0e06fabf2f0ed58153a644ed1da212ed.png)