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