defmodule Main do
  def input, do: IO.read(:line) |> String.trim
  def ii, do: input() |> String.to_integer
  def li, do: input() |> String.split |> Enum.map(&String.to_integer/1)
  def yn(b), do: IO.puts(if b, do: "Yes", else: "No")

  def main do
    [n, k] = li()

    if rem(n, k) != 0 do
      IO.puts(-1)
    else
      one = div(n, k)
      dices = List.duplicate(1, one) ++ List.duplicate(2, n - one)
      IO.puts Enum.join(dices, " ")
    end
  end
end