UVA12320 Flight Control

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=278&page=show_problem&problem=3742 [PDF](https://uva.onlinejudge.org/external/123/p12320.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12320/8185d4ecc8625203d0eb81aec68a10ed03da2fa3.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12320/ff5226f716a6ba9e4c14e7e8359ed0b71fa8902e.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12320/38fb5384a62d81e98bb285ecfd7276c28878d8b4.png)