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Check if a Integer is power of 8 or not
Easy Accuracy: 50.01% Submissions: 134 Points: 2

Given a positive integer N, The task is to find if it is a power of eight or not.

Example 1: 

Input: 64
Output: Yes
Explanation: 64 is power of 8.

Example 2:

Input: 75
Output: No
Explanation: 75 is not a power of 8.

Your Task:
You don't need to read or print anything. your task is to complete the function is_power_of_eight() which takes N as the input parameter and returns "Yes" if N is power of eight otherwise returns "No"(Wihtout quotes).

Expected Time Complexity: O(log(N))
Expected Space Complexity: O(1)

Constraints:
1 <= N <= 1018

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Check if a Integer is power of 8 or not

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