import math

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

max_r = max(r)
sum_r = sum(r)
d_max = sum_r
d_min = abs(2 * max_r - sum_r)

l = math.hypot(x, y)

found = False
for r_last in r:
    if d_min <= r_last + l and d_max >= abs(l - r_last):
        found = True
        break

print("Yes" if found else "No")