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

minr, maxr = R[0], R[0]
for i in range(1, n):
    minr -= 2 * R[i]
    maxr += 2 * R[i]
if minr <= 0:
    minr = 0
if minr**2 <= x**2 + y**2 <= maxr**2:
    print("Yes")
else:
    print("No")