import sys
input = lambda: sys.stdin.readline().rstrip()
ii = lambda: int(input())
mi = lambda: map(int, input().split())
li = lambda: list(mi())
INF = 2 ** 63 - 1
mod = 998244353

n, x, y = mi()
r = li()

if n == 1:
    if x ** 2 + y ** 2 == r[0] ** 2:
        print('Yes')
        exit()
    print('No')
    exit()
r.sort()

now = r[0]

if (2 * sum(r) - now) ** 2 >= (x ** 2 + y ** 2):
    print('Yes')
else:
    print('No')