(defconstant +mod+ 1000000007)

(defun %mod-fibonacci (n m)
  (labels ((rec (a b i p q)
                (cond ((zerop i) (mod b m))
                      ((evenp i) (rec a b (floor i 2) (mod (+ (* p p) (* q q)) m) (mod (+ (* 2 p q) (* q q)) m)))
                      (t (rec (mod (+ (* b q) (* a q) (* a p)) m) (mod (+ (* b p) (* a q)) m) (1- i) p q)))))
    (rec 1 0 n 0 1)))

(defun main (&rest argv)
  (declare (ignorable argv))
  (let* ((n (read)))
    (format t "~d~%" (mod (* (%mod-fibonacci n +mod+) (%mod-fibonacci (1+ n) +mod+)) +mod+))))

(main)