Tripping on Nothingness
Practice
3.8 (72 votes)
Ready
Basic programming
Medium Hard
Greatest common divisor
Mathematics
Problem
81% Success 1199 Attempts 50 Points 1s Time Limit 256MB Memory 1024 KB Max Code

Little Pandey is someone who is lazy, and when he's around his best friend GJ, he becomes super lazy. Pandey thinks that he is a Math-wizard, so he picks up a number S and asks GJ to throw him a challenge around that number.

GJ explains Little Pandey a property called nothingness and decides to ask him Q queries based on it. In mathematical terms, Nothingness(A, B) is defined as the maximum M that (A%M==0 and B%M==0). (You can read about the Modulus Operator here.) In the i-th query GJ says a number Ai and Little Pandey must find Nothingness(S, Ai).

But, Pandey is the laziest of all. He won't give the same answer twice or more times. When he calculates a new answer and it turns out that he has said it before, now he will say -1 instead.

Help Little Pandey solve the Q queries.

Input format:

The first line contains two integers S and Q, denoting the number chosen by Pandey and the number of queries, respectively. The i-th of the next Q lines contains a single integer Ai.

Output format:

For every query, output Pandey's answer in a separate line.

Constraints:
1 ≤ S ≤ 105
1 ≤ Q ≤ 105
1 ≤ Ai ≤ 109

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