UVA557 汉堡 Burger

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=7&page=show_problem&problem=498 [PDF](https://uva.onlinejudge.org/external/5/p557.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA557/f4f546acd7ee01f87df66d59d5d9c0f6a6840010.png)

Input Format

N/A

Output Format

N/A