N,X,Y=map(int,input().split())
R=list(map(int,input().split()))
ln = 0
Rmax=max(R)
Rmin=min(R)
XY2=X**2+Y**2
if XY2>=Rmax**2:
    rs = sum(R)*2 - Rmin
    if XY2<=rs**2:
        print("Yes")
    else:
        print("No")
else:
    rs = (sum(R)-Rmax)*2
    if Rmax<=rs or XY2>=(Rmax-rs)**2:
        print("Yes")
    else:
        print("No")