N,Z=map(int,input().split())
if N>2:
  print('No')
  exit()
if N==1:
  if Z==1:
    print('No')
  else:
    print('Yes')
  exit()
X=0
for i in range(1,Z+1):
  X=Z*Z-i*i
  if X<0:
    break
  X=int(X**0.5+0.00000001)
  if X*X+i*i==Z*Z and X>0:
    print('Yes')
    exit()
print('No')