UVA813 Robot

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=10&page=show_problem&problem=754 [PDF](https://uva.onlinejudge.org/external/8/p813.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA813/1cfcf471cba78bc7eca2be0b262d17a49e90ea80.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA813/7bd666a2f377b0528a336efc8c578c6236e12cd4.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA813/4e8a7a859e7c9c887a665778f753708aeda0cff4.png)