UVA12187 Brothers

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=243&page=show_problem&problem=3339 [PDF](https://uva.onlinejudge.org/external/121/p12187.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12187/934c11fb85efc3245cbb0ac69819fd5ff8646584.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12187/9813a2f52a50381d1719f0580313fbc789701587.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12187/6ff4271b985b289d46a668d35dee859a63d724e5.png)