import Control.Arrow
import Control.Monad
import Data.List
import qualified Data.ByteString.Char8 as B

main :: IO ()
main = getLine >> getLine >>= putStrLn . solve 

solve :: String -> String
solve = check . map length . group . sort
    where
        check [b, r]
            | r > b = "Yes"
            | otherwise = "No"

readLine :: IO [Int]
readLine = unfoldr (fmap (second (maybe B.empty snd . B.uncons)) . B.readInt) <$> B.getLine

readContents :: Int -> IO [[Int]]
readContents = flip replicateM readLine