let () =
  let n, m = Scanf.scanf "%d %d " (fun n m -> n, m) in
  let c = Array.init n (fun _ -> Scanf.scanf "%d " (fun i -> i)) in
  Array.fast_sort (-) c;
  let rec doit i m =
    if i = n then i
    else if c.(i) > m then i
    else doit (i + 1) (m - c.(i)) in
  doit 0 m |> Printf.printf "%d\n"