UVA10091 The Valentine's Day

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=12&page=show_problem&problem=1032 [PDF](https://uva.onlinejudge.org/external/100/p10091.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10091/cb4d239261769ce630827eecc08412b2656ba2bd.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10091/bae6492adbc70454d64c70c5c55ebd25fd74cd6a.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10091/8b48868cbf2fd4ec9eabe82ba29b5eefb4ff15f2.png)