UVA12400 3, 2, 1, 0

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=279&page=show_problem&problem=3831 [PDF](https://uva.onlinejudge.org/external/124/p12400.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12400/7221f9e0e047fc4dafe54626d01c3ffc726cf793.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12400/59a5c476f49d74bd2cf7e7d188ee4a5c40719d6b.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12400/64e31972484b03b06f18beb863ec056093c7e6c6.png)