#!/usr/bin/env python3

n, x, y = map(int, input().split())
r = list(map(int, input().split()))
r.sort()
t = r[n - 1]
s = sum(r) - t
d = x * x + y * y
lo = max(0, s - t)
if d <= (s + t) * (s + t) and d >= lo * lo:
    print('Yes')
else:
    print('No')