let () = print_endline @@ Scanf.scanf "%d\n" @@ function
  | 1 -> Scanf.scanf "%d\n" @@ fun a ->
      if a mod 2 = 0 then "second" else "first"
  | n ->
      let as_ = Array.init n @@ fun _ -> Scanf.scanf "%d\n" @@ fun a -> a in
      (* Array.sort (fun i j -> compare j i) as_;
      if
        (as_.(0) - as_.(1)) mod 2 = 0 &&
        as_.(1) mod 2 = 0
      then "second"
      else "first" *)
      "second"
