UVA12439 February 29

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=279&page=show_problem&problem=3870 [PDF](https://uva.onlinejudge.org/external/124/p12439.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12439/e78ea75e1c978615aed12a81295cfc2dcd32783d.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12439/d31d7afc6dd5a3130f549de53c0ac7227edda5b9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA12439/dd5e9313040cadbf7560ee2eac37e4e4233ef3da.png)