n,x,y,*r=map(int,open(0).read().split())
r.sort()
R=sum(r[1:])*2
r=r[0]
z=x*x+y*y
if R==0:
    k=(z==r*r)
else:
    k=((r-R)*2<=z<=(r+R)**2)
print(['No','Yes'][k])