UVA181 Hearts

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=3&page=show_problem&problem=117 [PDF](https://uva.onlinejudge.org/external/1/p181.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA181/1a3d94165f0f4a418b712e45eebae7ec14fad25d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA181/5746c2c86a43cc81312a293726317c2fa9961c6e.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA181/77ce44d0992d3662d63b052e685fe2e69cb51176.png)