def make_divisors(n):
    lower_divisors , upper_divisors = [], []
    i = 1
    while i*i <= n:
        if n % i == 0:
            lower_divisors.append(i)
            if i != n // i:
                upper_divisors.append(n//i)
        i += 1
    return lower_divisors + upper_divisors[::-1]
import math,decimal
a,b = map(decimal.Decimal,input().split())
c = math.floor(b)
b -= c
z = pow(a,b)
if z == math.floor(z):
    print('Yes')
else:
    print('No')