{-# LANGUAGE Arrows #-}

import Control.Applicative
import Control.Monad
import Control.Arrow
import Data.List ((\\), group, intersect)

getInts :: IO [Int]
getInts = map read . words <$> getLine

main = do
  n <- readLn
  xs <- replicateM n getLine
  let
    f :: [String] -> [Int]
    f = map head . group . map read . init
    xs' = map ((f &&& last) . words) $ xs
    g [] ys = ys
    g ((ns,"YES"):xs) ys = g xs (intersect ys ns)
    g ((ns,"NO"):xs) ys = g xs (ys \\ ns)
   in putStrLn $ unwords . map show  $ g xs' [0..9]