from math import gcd
a,b = input().split()
if b==0: exit(print("Yes"))
if a[-4:]!="0000": exit(print("No"))
a = int(a[:-5]); b = int(b[:-5]+b[-4:]); c = 10000
d = gcd(b,c); b //= d; c //= d
for i in range(1,a+1):
    if i**c==a: exit(print("Yes"))
    if i**c>a: break
print("No")