UVA12825 Happy Robot

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4690 [PDF](https://uva.onlinejudge.org/external/128/p12825.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12825/8a9837242cd1a7ab978ea53ad821cb7b7a069eb5.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12825/f60a7b0ebdbf62f3d2aaca891cb5b8d458294fd8.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12825/3d9ed80d86cbd5a5758980c02e8fa22e2ca4e40e.png)