import Control.Applicative ((<$>))
import Control.Monad
import Data.List

main :: IO ()
main = do
  n <- getl read
  solve <$> replicateM n (words <$> getLine) >>= print

solve :: [[String]] -> Int
solve = head . foldl' f [0..9]
  where
    f ls [a, b, c, d, r] =
      let ys = [read a, read b, read c, read d]
      in if r == "YES" then ls `intersect` ys else ls \\ ys

getl :: (String -> a) -> IO a
getl f = f <$> getLine