N,X,Y=map(int,input().split())
R=list(map(int,input().split()))
Rmin=min(R)
XY2=X**2+Y**2
rs = sum(R)*2 - Rmin
if N==1:
    if XY2==rs**2:
        print("Yes")
    else:
        print("No")
else:
    if XY2<=rs**2:
        print("Yes")
    else:
        print("No")