(defconstant +d+ "01234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495969798991")

(defun main (&rest argv)
  (declare (ignorable argv))
  (let* ((n (read))
         (a (make-array 191 :element-type 'integer :initial-element 0))
         (b (make-array 192 :element-type 'integer :initial-element 0)))
    (loop for i to 190 do
          (setf (aref a i) (- (char-code (char +d+ i)) (char-code #\0))))
    (loop for i from 190 downto 0 do
          (setf (aref b i) (+ (* (aref a i) n) (floor (- (aref b (1+ i)) (mod (aref b (1+ i)) 10)) 10))))
    (format t "~d." (aref b 0))
    (loop for i from 1 to 190 do
          (format t "~d" (mod (aref b i) 10)))
    (terpri)))

(main)