UVA10491 奶牛和轿车 Cows and Cars

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=16&page=show_problem&problem=1432 [PDF](https://uva.onlinejudge.org/external/104/p10491.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10491/b25d27a5e3c13d6e2fa5b6a343e8f5ecdf3cba26.png)

Input Format

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Output Format

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