{-# LANGUAGE BangPatterns #-}

import           Control.Monad
import           Control.Monad.Cont
import qualified Data.Vector.Fusion.Stream.Monadic as VFSM

main :: IO ()
main = do
  [n, _] <- map (read :: String -> Int) . words <$> getLine 
  withBreak $ \break -> do
    rep 2 n $ \i -> do
      when (n `mod` i == 0) $ do
        liftIO . print $ n `div` i
        break ()
    liftIO $ putStrLn "1"
    break ()

stream :: Monad m => Int -> Int -> VFSM.Stream m Int
stream !l !r = VFSM.Stream step l
  where
    step x
      | x * x <= r = return $ VFSM.Yield x (x + 1)
      | otherwise  = return $ VFSM.Done
    {-# INLINE [0] step #-}
{-# INLINE [1] stream #-}

rep :: Monad m => Int -> Int -> (Int -> m ()) -> m ()
rep l r = flip VFSM.mapM_ (stream l r)
{-# INLINE rep #-}

withBreak :: ((r -> ContT r IO b) -> ContT r IO r) -> IO r
withBreak = flip runContT pure . callCC
{-# INLINE withBreak #-}