UVA12502 Three Families

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=441&page=show_problem&problem=3946 [PDF](https://uva.onlinejudge.org/external/125/p12502.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12502/9d866e40208c3cbaf9158c340047c99119bf09cc.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12502/f4ce400737f02509c686df1859866c3b6303de08.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12502/91b1de88077fa20c1d6a89f9ce4e396d074c0672.png)