UVA272 TeX中的引号 TEX Quotes

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=208 [PDF](https://uva.onlinejudge.org/external/2/p272.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA272/0fce0e3177cfdb6d5d3453630ac5eab0f1a14430.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA272/0843b9d54f30773cb13e76df7b2b3968e0153c38.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA272/fcbd56c2ae470e5c71904e1ee66528bfb6ac13e6.png)