import qualified Data.Text as Text
import Control.Applicative
import Data.List
import Control.Arrow

(<$~>)::Functor f=>f a->(a->b)->f b
(<$~>)=flip (<$>)
infixl 4 <$~>

(.~)::(a->a->b)->(c->a)->c->c->b
f .~ a=(\x y->f (a x) (a y))
infixr 9 .~

toList::String->[String]
toList=(fmap Text.unpack).(Text.split (==' ')).(Text.pack)

main = do{
	_<-getLine;
	getLine<$~>
	(toList>>>
	sort>>>
	group>>>
	fmap (head&&&length)>>>
	maximumBy (compare.~snd)>>>
	fst)>>=
	putStrLn;
}