n,x,y = map(int,input().split())
r = list(map(int,input().split()))
r.sort()
sum_r = r[0]
for i in range(1,n):
    sum_r += 2*r[i]
if n == 1:
	if x*x+y*y == sum_r*sum_r:
		print("Yes")
	else:
		print("No")	
elif x*x+y*y <= sum_r*sum_r:
	print("Yes")
else:
	print("No")