UVA204 Robot Crash

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=140 [PDF](https://uva.onlinejudge.org/external/2/p204.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA204/c5434499954e0a41b752641cc7e1702a7490dd1d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA204/e98e64582431647962a27b37338ebf41821508e9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA204/f99011d9d06ba05698c8e2ca59faba39abaa8ffb.png)