UVA556 Amazing

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=7&page=show_problem&problem=497 [PDF](https://uva.onlinejudge.org/external/5/p556.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA556/38261d480729429696e8b4bd50a7ad2550dd07ca.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA556/dd1ce7119a92ac068cafbf7d47a5c83a99baee1d.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA556/f2953d2b5f3895736358a51ab8873d4b7bdb6a7b.png)