UVA10467 Parse Tree

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=16&page=show_problem&problem=1408 [PDF](https://uva.onlinejudge.org/external/104/p10467.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10467/b40d42e01bbd9ea9e8b831d4dd2f276253932e01.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10467/f585f407c9177e78d66abcbda3672e8cb05550bf.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10467/13c0d145ff74451cd377cf8953df2d057d8f25ee.png)