n,x,y=map(int,input().split())
a=list(map(int,input().split()))
d=x*x+y*y

s=sum(a)

if n==1:
  if d!=s*s:
    print('No')
    exit()
    
u=2*s-min(a)
if u*u<d:
  print('No')
  exit()
  
print('Yes')