defmodule Main do
  def main do
      x = IO.gets("") |> String.trim
                      |> String.split(" ", trim: true)
                      |> Enum.map(&String.to_integer/1)
      case {div(x |> Enum.at(1), x |> Enum.at(0)), rem(x |> Enum.at(1), x |> Enum.at(0))} do
        {n, 0} -> n
        {n, _} -> n + 1
        _ -> 0
      end |> Integer.to_string
          |> IO.puts
  end
end