UVA205 Getting There

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=4&page=show_problem&problem=141 [PDF](https://uva.onlinejudge.org/external/2/p205.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA205/18e0404a52deb522694a427a5d5913634b70354c.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA205/62fed0a05c8347534e1706edbb12f27045f1c018.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA205/5857007548e6ee957ba14e018942036f01207426.png)