def bis(ok, ng):
  def is_ok(md):
    return md**2 <= S
  while abs(ok - ng) > 1:
    md = (ng + ok) // 2
    if is_ok(md): ok = md
    else: ng = md
  return ok

S = int(input())
A = []
while S:
  a = bis(1, 10**9+1)
  A.append(a**2)
  S -= a**2
print(len(A))
print(*A)