open Scanf
open Printf

let readint () = scanf " %d" (fun x -> x)
let stoa s = Array.init (String.length s) (String.get s)
let atos a = String.init (Array.length a) (Array.get a)

let () =
  let a = readint () and b = readint() in
  printf "%d." (a / b);
  let rec loop i a b =
    if i < 50 then begin
      printf "%d" (a * 10 / b);
      loop (i + 1) (a * 10 mod b) b
    end in
  loop 0 (a mod b) b