#!/usr/bin/env PyPy3

from collections import Counter, defaultdict, deque
import itertools
import re
import math
from functools import reduce
import operator
import bisect
from heapq import *
import functools
mod=998244353

import sys
input=sys.stdin.readline
n,x,y=map(int,input().split())
r=list(map(int,input().split()))
if n == 1:
    if r ** 2 == x ** 2 + y ** 2:
        print('Yes')
    else:
        print('No')
    exit()
su = 2 * sum(r) - min(r)

if su ** 2 < x ** 2 + y ** 2:
    print('No')
else:
    print('Yes')