#int(input())
#map(int, input().split())
#list(map(int, input().split()))

N, X, Y = map(int, input().split())
R = list(map(int, input().split()))

d = (X ** 2 + Y ** 2) ** 0.5
R = sorted(R)
s = sum(R) * 2 - R[0]

f = 0
if N == 1:
    if d == s:
        f = 1
else:
    if d <= s:
        f = 1

if f == 1:
    print("Yes")
else:
    print("No")