UVA12775 Gift Dilemma

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=823&page=show_problem&problem=4628 [PDF](https://uva.onlinejudge.org/external/127/p12775.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12775/c65f6128cbc586198671c8e757505e411044bdd3.png)

Input Format

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Output Format

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