UVA987 Maternity

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=11&page=show_problem&problem=928 [PDF](https://uva.onlinejudge.org/external/9/p987.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA987/06e3b4d257540ff38681a099ea722214c2d19426.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA987/122d47aa979813cd3a62dcc19797d5ec157a64a9.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA987/3249deea065b8cdfafd1aa02c6efeaf111625c74.png)