import sys
input = sys.stdin.readline

def linput(tt=int):
	return list(map(tt,input().split()))

def gcd(a: int, b: int):
	while b: a, b = b, a%b
	return a

def lcm(a: int, b: int):
	return a * b // gcd(a, b)

def main():
	a,b,c,d = linput()
	t = a*a-2*a*c-8*b+c*c+8*d
	if t<0: res = "No"
	elif t==0: res = "Yes"
	else:
		rt = t**.5
		dx = rt/2
		dy = (a+c)*rt/4
		p = dy/dx if dx else 0
		xx = (c-a-rt)/4
		yy = -(a+c)*rt - a*a+4*b+c*c+4*d
		q = -p * xx + yy/8
		res = "{:.12f} {:.12f}".format(p,q)
	print(res)

if __name__ == "__main__":
	main()