UVA13182 Tobby's Ancestors

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5093 [PDF](https://uva.onlinejudge.org/external/131/p13182.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13182/09034ea6fdd27b9219bae8146532d1cf3857e999.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13182/32bb8bf7408314153b7cf96bf4f5bd301cb6f538.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13182/fd455dbc9113cd028315679b21b7f339564c5181.png)