UVA13149 Game of XOR

Description

[problemUrl]: https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=871&page=show_problem&problem=5071 [PDF](https://uva.onlinejudge.org/external/131/p13149.pdf) ![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13149/16dc7c6f539371196ca16e668c6aca6123cf3b02.png)

Input Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13149/f5c4eb56f550f6209b95887498ef709dd8a4c620.png)

Output Format

![](https://cdn.luogu.com.cn/upload/vjudge_pic/UVA13149/fa48c1d1e2094022286a31299e17c56f60670d5f.png)