n,x,y = map(int,input().split())
r = list(map(int,input().split()))

if n == 1:
    if r[0]**2 == x**2 + y ** 2:
        print("Yes")
    else:
        print("No")

if 2 * sum(r) - min(r) >= (x**2 + y**2)**(0.5):
    print("Yes")
else:
    print("No")