# import sys; input = sys.stdin.buffer.readline
# sys.setrecursionlimit(10**7)
from collections import defaultdict
con = 10 ** 9 + 7; INF = float("inf")

def getlist():
	return list(map(int, input().split()))

# ニュートン法によるK乗根計算
def sqrt(N, k = 2):
	l = k - 1
	if not N:
		return 0
	y = 1 << (N.bit_length() + l) // k
	x = y + 1
	while y < x:
		x = y
		y = (l * x + N // (x ** l)) // k

	return x


#処理内容
def main():
	N, Z = getlist()
	if N >= 3:
		print("No")
		return

	if N == 1:
		if Z == 1:
			print("No")
		else:
			print("Yes")
		return

	for x in range(1, Z):
		dif = Z ** 2 - x ** 2
		y = sqrt(dif)
		if y ** 2 == dif:
			print("Yes")
			return

	print("No")

if __name__ == '__main__':
	main()