from math import sqrt
def calc(num,n):
  for i in range(n):
    num = sqrt(num)
  return num

n,Z = map(int,input().split())
ans = "No"
for i in range(1,Z):
  yn = Z**n - i**n
  c = calc(yn,n)
  if c == int(c):
    ans = "Yes"
print(ans)