defmodule Main do
  def main do
    IO.read(:line)
    |> String.split()
    |> Enum.map(&String.to_integer/1)
    |> solve
    |> IO.puts()
  end

  defp solve([n, h, m, t]) do
    [(h + (m |> div(60))) |> rem(24), (m + (n - 1) * t) |> rem(60)]
    |> Enum.join("\n")
  end
end