UVA11104 Cousins

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=23&page=show_problem&problem=2045 [PDF](https://uva.onlinejudge.org/external/111/p11104.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11104/f6d8da65aac1ea4ceabcfb722f22a05878af39f3.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11104/931291a05823f31f884435cd72a7e9e8e1472bbd.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA11104/a1f892efd3ba0a2ba691f5e6dad16079d659cc3f.png)