UVA125 Numbering Paths

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=61 [PDF](https://uva.onlinejudge.org/external/1/p125.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA125/2c01b1b3863b0e262ebdab9e49d0d869d64c657f.png)

Input Format

N/A

Output Format

N/A