defmodule Main do
  def input, do: IO.read(:line) |> String.trim
  def ii, do: input() |> String.to_integer
  def li, do: input() |> String.split |> Enum.map(&String.to_integer/1)
  def yn(b), do: IO.puts(if b, do: "Yes", else: "No")

  def main do
    [_, d] = li()
    input()
    vs = li()

    sv = Enum.sum(vs)
    ans = div(d+sv-1, sv)
    IO.puts ans
  end
end