import sys
input = sys.stdin.readline

N,X,Y=map(int,input().split())
R=list(map(int,input().split()))

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

R.sort()

MAX=R[0]

for r in R[1:]:
    MAX+=r*2

if MAX*MAX>=X*X+Y*Y:
    print("Yes")
else:
    print("No")