import Control.Monad
import Data.Maybe
import qualified Data.ByteString.Char8 as BS
import Data.List

readInt = fst . fromJust . BS.readInt
readIntList = map readInt . BS.words
getInt = readInt <$> BS.getLine
getIntList = readIntList <$> BS.getLine

main = do
    [n,k] <- getIntList
    as <- getIntList
    let zs = zipWith (<) as (drop k as)
    let ans = map (\t -> if t then "Yes" else "No") zs
    mapM_ putStrLn ans
