N, X, Y = map(int, input().split())
R = list(map(int, input().split()))
maxr = sum(R) * 2 - min(R)
minr = max(0, 3 * min(R) - sum(R) * 2)
print("Yes") if minr ** 2 <= X ** 2 + Y ** 2 <= maxr ** 2 else print("No")