defmodule Main do
  def main do
    [_, m] =
      IO.read(:line)
      |> String.split()
      |> Enum.map(&String.to_integer/1)

    IO.read(:line)
    |> String.split()
    |> Enum.map(&String.to_integer/1)
    |> Enum.sort()
    |> solve(0, 0, m)
    |> IO.puts()
  end

  defp solve(list, last, size, m) do
    cond do
      Enum.empty?(list) ->
        size

      last + hd(list) <= m ->
        list
        |> Enum.slice(1..-1)
        |> solve(last + hd(list), size + 1, m)

      true ->
        list
        |> Enum.slice(1..-1)
        |> solve(last, size, m)
    end
  end
end