q = 10^9+7

fib :: Int -> Int -> Int
fib modulo n = fst (fibr (0,1) n)
 where
  tpq (p,q) (a,b) = (mod (p*a + q*b) modulo, mod (q*a + (p+q)*b) modulo)
  fibr pq@(p,q) n
   | n < 1 = (0,1)
   | even n = fibr (p^2 + q^2, 2*p*q + q^2) (div n 2)
   | otherwise = tpq pq (fibr pq (n-1))

main = do
 n <- readLn :: IO Integer
 print $ (fib q . fib q) (fromIntegral (mod n (2 * (10^9) + 16)))