import Data.List primes = 2:3:[x | i<-[1..], j<-[-1,1], let x = 6*i+j, isPrime x] where isPrime n = null [i | i<-takeWhile (\x -> x^2 <= n) primes, mod n i == 0] main = readLn >>= putStrLn . unwords . map show . (\n -> let d = head (factorization n) in [d, div n d]) factorization :: Integer -> [Integer] factorization n = unfoldr fact (n, primes) where q = (floor . sqrt . fromIntegral) n fact (n', pps@(p:ps)) | n' == 1 = Nothing | p > q = Just (n',(1,pps)) | otherwise = let (d,m) = divMod n' p in if m==0 then Just (p,(d,pps)) else fact (n',ps)