import sys,random,bisect
from collections import deque,defaultdict
import heapq
from itertools import permutations
from math import gcd

input = lambda :sys.stdin.readline().rstrip()
mi = lambda :map(int,input().split())
li = lambda :list(mi())

N,X,Y = mi()
R = li()
R.sort()

if N==1:
    if R[0]**2==X**2+Y**2:
        print("Yes")
    else:
        print("No")
    exit()

M = R[0] + sum(2*R[i] for i in range(1,N))
if X**2 + Y**2 <= M**2:
    print("Yes")
else:
    print("No")