let () =
  let n, h, m, t = Scanf.scanf "%d %d %d %d " (fun n h m t -> n, h, m, t) in
  let m = m + (n - 1) * t in
  let c, m = m / 60, m mod 60 in
  let h = (h + c) mod 24 in
  Printf.printf "%d\n%d\n" h m