UVA10939 Ants, Aphids and a Ladybug

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=21&page=show_problem&problem=1880 [PDF](https://uva.onlinejudge.org/external/109/p10939.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10939/14043235622d15d6509cb8a4b18fcbe7de3ebcc9.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10939/20cab0455628964a2309e72ee7cee601ede9d4b2.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10939/0c99d5aeafed5562ac8f16963c5b35078ea08acd.png)