UVA12796 Teletransport

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=823&page=show_problem&problem=4661 [PDF](https://uva.onlinejudge.org/external/127/p12796.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12796/62706099ffee5ff24d6d6d4145f4ed3de9ca13c9.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12796/f7d33d427e203d4b9bc8e15fb0c1f2279cb4f879.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12796/199e84171f2f92a1b3ad72b7e8eb4b46ebe621d1.png)