import java.util.Scanner
import java.io.{BufferedReader,InputStreamReader}
object no24{
    def main(args:Array[String]):Unit={
        val scan = new Scanner(System.in)
        val n = scan.nextInt
        val res = scala.collection.mutable.ListBuffer.fill(10)(0)
        for(i <- Range(0,n)){
            val nums = for(i <- 1 to 4) yield scan.nextInt
            val t = scan.next
            val pm = if(t.equals("YES")) 1 else -1
            nums.foreach{
                res(_) += pm
            }
        }
        val m = res.max
        for(i <- 0 to 9) if(res(i) == m) println(i)
    }
}