defmodule Main do
  use Bitwise, only_operators: true
  def main do
    n = IO.read(:line) |> String.trim() |> String.to_integer()
    total = IO.read(:line) |> String.trim() |> String.to_integer()
    [a | an] = IO.read(:line) |> String.trim() |> String.split(" ") |> Enum.map(&String.to_integer/1)
    an
    |> Enum.reverse() |> Enum.with_index(0)
    |> Enum.reduce(Map.put(%{}, total, [0]), fn {a, i}, dp ->
      Enum.reduce(dp, %{}, fn {rest, wi}, ndp ->
        ndp = if :math.fmod(rest, a) == 0, do: Map.update(ndp, div(rest, a), wi, fn q -> wi ++ q end), else: ndp
        if a <= rest do
          wi = Enum.map(wi, fn w -> w + (1 <<< i) end)
          Map.update(ndp, rest - a, wi, fn q -> wi ++ q end)
        else
          ndp 
        end
      end)
    end)
    |> Map.get(a) |> Enum.max() |> restore(n) |> Enum.reverse() |> Enum.join("") |> IO.puts()
  end
  def restore(_w, 1), do: []
  def restore(w, i), do: [(if (w &&& 1) == 1, do: :+, else: :*) | restore(w >>> 1 ,i - 1)]
end