import Control.Monad
import Control.Applicative
import Data.Functor
import Data.List
import Data.List.Split
import Data.Char
import Data.Ord
import Data.Array.IO

readInt = read :: String -> Int
getInt = readLn :: IO Int
getInts = map readInt . words <$> getLine
sjoin :: (Show a) => [a] -> String
sjoin = unwords . map show
cond :: a -> a -> Bool -> a
cond t f c = if c then t else f
-- end of templete



main = do
    ws <- words <$> getLine
    let freq = head $ maximumBy (comparing length) $ group $ sort ws
    let long = maximumBy (comparing length) $ ws
    putStrLn $ unwords [freq, long]