UVA12920 Patty's Gift

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=862&page=show_problem&problem=4799 [PDF](https://uva.onlinejudge.org/external/129/p12920.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12920/7d551dbbd8c295a5679042a88ca27ffca3de9f53.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12920/bd1ceb70ef4a6f6daafca5500a0e892b2d440692.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12920/3c0f1624eaee22d4cec61bc694d78e88aab5d858.png)