defmodule Main do
  def main() do
    a = IO.gets("") |> String.trim |> String.split
    IO.puts judge(count(%{}, a))
  end

  def count(m, []) do
    m
  end

  def count(m, [h | t]) do
    new_m = case Map.has_key?(m, h) do
      false -> Map.put_new(m, h, 1)
      true -> Map.update!(m, h, fn x -> x + 1 end)
    end
    count(new_m, t)
  end

  def judge(m) do
    cond do
      Map.size(m) === 2 -> "FULL HOUSE"
      Map.size(m) === 4 -> "ONE PAIR"
      Map.size(m) === 5 -> "NO HAND"
      Map.values(m) |> Enum.sort === [1, 1, 3] -> "THREE CARD"
      true -> "TWO PAIR"
    end
  end

end