import math

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

if n == 1:
    print("Yes" if z >= 2 else "No")
elif n == 2:
    z_squared = z * z
    found = False
    for x in range(1, z):
        x_sq = x * x
        y_sq = z_squared - x_sq
        if y_sq <= 0:
            continue
        y = math.isqrt(y_sq)
        if y * y == y_sq:
            found = True
            break
    print("Yes" if found else "No")
else:
    print("No")