UVA12863 Journey through the kingdom

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=861&page=show_problem&problem=4728 [PDF](https://uva.onlinejudge.org/external/128/p12863.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12863/1349205438a985d37bfdf47f3b33c0255adf6cf3.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12863/d3a40e61b38ad37a4412d01508d93a93e5636db1.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12863/af436e4ab2bf8e10a22590fcc0cb6951d397668c.png)