main :: IO ()
main = do
  n <- readLn :: IO Integer
  let
    l = if even n
      then let h = l `div` 2 in 2 * fib (h - 1) * fib h
      else fib l
  if l == 0
    then do
      putStrLn "1"
      putStrLn "INF"
    else do
      print n
      print l

fib :: Integer -> Integer
fib i = case fastDoubling i of (a, _) -> a

fastDoubling :: Integer -> (Integer, Integer)
fastDoubling 0 = (0, 1)
fastDoubling 1 = (1, 1)
fastDoubling i =
  let
    (a, b) = fastDoubling (i `div` 2)

  in
    if even i
      then (a * (2 * b - a), a * a + b * b)
      else (a * a + b * b, b * (2 * a + b))