defmodule Abc263.C.Main do
  def main() do
    IO.puts """
    1 2 3
    1 2 4
    1 2 5
    1 3 4
    1 3 5
    1 4 5
    2 3 4
    2 3 5
    2 4 5
    3 4 5
    """
  end
end