Absolute Value of N is Power of X: The program accepts two integers N and X as input. The program prints YES if the absolute value of N is a power of X. Else the program prints NO.

Boundary Condition(s):
-1015 <= N <= 1015
1 <= X <= 100

Input Format:
The first line contains N and X separated by a space.

Output Format:
The first line contains YES or NO.

Example Input/Output1:
Input:
32 2

Output:
YES

Example Input/Output2:
Input:
26 3

Output:
NO

def power(b,a):
  p=1
  while(p<a):p*=b
  return p==a
a,b=map(int,input().split())
i=1
if power(abs(b),abs(a)):print('yes')
else:print('no')
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