UVA11758 Left Right

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=117&page=show_problem&problem=2858 [PDF](https://uva.onlinejudge.org/external/117/p11758.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11758/ebc4ece271052fe9f61fd0a31d1a64f52f09aedd.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11758/e1e91bca1348db9ba7e56e2b862ea62864f6f8ae.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11758/ac69fe525a3193e8d0fd340b15759b1b2076ec83.png)