import sys

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

R = list(map(int,input().split()))
R.sort()

DIST = X**2 + Y**2

RSUM = sum(R) * 2 - min(R)

if RSUM ** 2 < DIST:
    print ("No")
    sys.exit()


outdist = R[-1]
remdist = sum(R[:-1]) * 2

td = outdist - remdist

if td > 0 and X**2+Y**2 < td**2:
    print ("No")
else:
    print ("Yes")