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

if n >= 3:
    print('No')
elif n == 2:
    for x in range(1,z+1):
        for y in range(1,z+1):
            if x**2+y**2 == z**2:
                print('Yes')
                exit()
    else:
        print('No')
else:
    if z > 1:
        print('Yes')
    else:
        print('No')