c = int(input())
a = int(input())
b = int(input())
for d in range(1,a+b+1):
	for e in range(1,a+b+1):
		if 2*max(a,b,c+d+e)<a+b+c+d+e and a*a*e*(c+e)==b*b*d*(c+d):
			print("Yes") ; exit()
print("No")