import sys
n,z = map(int,input().split())
if n >= 3:
    print('No')
    sys.exit()
if n == 1 and z >= 2:
    print('Yes')
    sys.exit()
if n == 1 and z == 1:
    print('No')
    sys.exit()
f = False
for i in range(1,z+1):
    for j in range(1,z+1):
        if i**2+j**2 == z**2:
            f = True
            break
if f:
    print('Yes')
else:
    print('No')