CF734F Anton and School
Description
Anton goes to school, his favorite lessons are arraystudying. He usually solves all the tasks pretty fast, but this time the teacher gave him a complicated one: given two arrays $ b $ and $ c $ of length $ n $ , find array $ a $ , such that:
where $ a and b $ means bitwise AND, while $ a or b $ means bitwise OR.
Usually Anton is good in arraystudying, but this problem is too hard, so Anton asks you to help.
Input Format
The first line of the input contains a single integers $ n $ ( $ 1
Output Format
If there is no solution, print $ -1 $ .
Otherwise, the only line of the output should contain $ n $ non-negative integers $ a_{i} $ — elements of the array $ a $ . If there are multiple possible solutions, you may print any of them.