UVA949 Getaway

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=11&page=show_problem&problem=890 [PDF](https://uva.onlinejudge.org/external/9/p949.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA949/5f0d04d3581135e6d96c1844494b49e32176abff.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA949/859e03693a3b5a11df2a7b925f69d1f58987dc75.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA949/5b48da28b9e6a68934e24ffb2b203492d0e5807b.png)