UVA10931 Parity

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=21&page=show_problem&problem=1872 [PDF](https://uva.onlinejudge.org/external/109/p10931.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10931/87e0201bcafc2f41e22fc04f900d573e8408cb21.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10931/84ff73be02496948a376b42f64297a0ba40a3a1a.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA10931/5d0da1c9f20f8b3713600656aedcb8dc0388a506.png)