UVA12723 Dudu, the Possum

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=823&page=show_problem&problem=4575 [PDF](https://uva.onlinejudge.org/external/127/p12723.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12723/05f7363b413e90a11f71329e6b6f78ea228e157a.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12723/773091b3ac9759dcfadb37576e79c025b850159b.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12723/e770a1259143c187fbbf465339e78161e9980ef1.png)