import java.util.*;
import java.io.*;
class Aaf {
  public static void main(String[] args){
    Scanner scan = new Scanner(System.in);
    int N = scan.nextInt();
    int [] qst = {0,0,0,0,0,0,0,0,0,0};
    for(int i=0; i<N; i++){
      int A = scan.nextInt();
      int B = scan.nextInt();
      int C = scan.nextInt();
      int D = scan.nextInt();
      String R = scan.next();
      if(R.equals("YES")){
        for(int j=0;j<qst.length;j++){
          if(j!=A&&j!=B&&j!=C&&j!=D){
            qst[j]=1;
          }
        }
      }else{
        qst[A]=1;
        qst[B]=1;
        qst[C]=1;
        qst[D]=1;
      }
    }
    for(int k=0;k<qst.length;k++){
      if(qst[k]==0){
        System.out.println(k);
      }
    }
  }
}