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")

  @inf 10 ** 12
  def main do
    [_, d] = li()
    input()
    vs = li()
    ans = bsearch(@inf, 0, @inf, d, vs)
    IO.puts ans
  end

  def f(t, vs) do
    for v <- vs, reduce: 0 do
      acc -> acc + v * t
    end
  end

  def bsearch(res, lo, hi, d, vs) do
    if lo > hi do
      res
    else
      m = div(lo + hi, 2)
      s = f(m, vs)
      if s >= d do
        bsearch(min(res, m), lo, m-1, d, vs)
      else
        bsearch(res, m+1, hi, d, vs)
      end
    end
  end
end