UVA507 Jill Rides Again

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=7&page=show_problem&problem=448 [PDF](https://uva.onlinejudge.org/external/5/p507.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA507/427c7ad7c030a79ef8efcddd5af139d361cb480f.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA507/558c61c5345db9d9ecab336ec06015b04f7648e9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA507/00c3bfbc2bea51f9a4695298940f34f4373663b2.png)