N,Z=map(int,input().split())
X=0
for i in range(1,Z+1):
  X=Z-i**N
  if X<0:
    break
  X=int(X**(1/N)+0.00000001)
  if X**N+i**N==Z**N and X>0:
    print('Yes')
    exit()
print('No')