import sys
n,z = map(int,input().split())

if n >= 3:
    print ("No")
elif n == 1:
    if z > 1:
        print ("Yes")
    else:
        print ("No")
else:
    for x in range(1,z):

        y = int((z**2-x**2)**0.5)
        if x ** 2 + y ** 2 == z**2 and y > 0:
            print ("Yes")
            sys.exit()

    print ("No")