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()
    an = IO.read(:line) |> String.trim() |> String.split(" ") |> Enum.map(&String.to_integer/1)
    {_, ub} = Enum.reduce(0..(n - 1), {an, %{}}, fn i, {[a | an], ub} ->
      {an, Map.put(ub, i, Enum.reduce(an, a, &(:erlang.max(&1 * &2, &1 + &2))))}
    end)
    [a | an] = an
    an
    |> Enum.reverse() |> Enum.with_index()
    |> Enum.reduce(Map.put(%{}, total, [0]), fn {_a, i} = step, dp ->
      Enum.reduce(dp, %{}, &(&2 |> times(&1, step, ub[i]) |> plus(&1, step, ub[i])))
    end)
    |> Map.get(a) |> Enum.max() |> restore(n) |> Enum.reverse() |> Enum.join("") |> IO.puts()
  end
  def times(dp, {rest, wi}, {a, _i}, ub),
   do: if :math.fmod(rest, a) == 0, do: update(dp, div(rest, a), [Enum.max(wi)], ub), else: dp
  def plus(dp, {rest, wi}, {a, i}, ub) when a <= rest,
   do: update(dp, rest - a, Enum.map(wi, fn w -> w + (1 <<< i) end), ub)
  def plus(dp, {_rest, _wi}, {_a, _i}, _ub), do: dp
  def update(dp, key, wi, ub) when key <= ub, do: Map.update(dp, key, wi, fn q -> wi ++ q end)
  def update(dp, _key, _wi, _ub), do: dp
  def restore(_w, 1), do: []
  def restore(w, i), do: [(if (w &&& 1) == 1, do: :+, else: :*) | restore(w >>> 1 ,i - 1)]
end