#include <stdio.h>

#include<string.h>

 

struct say{

              int card0;

              int card1;

              int card2;

              int card3;

              char hantei[3];

};

 

void cal(int hav[], struct say *answer){

              int i, j, count=0;

              char y[3], n[3], h[3];

             

              strcpy(y,"YES");

              strcpy(n,"NO");

              strcpy(h,answer->hantei);

             

              if(strcmp(&h,&y)==0){

                            for(i=0;i<10;i++){

                                          if(i==answer->card0) count+=1;

                                          if(i==answer->card1) count+=1;

                                          if(i==answer->card2) count+=1;

                                          if(i==answer->card3) count+=1;

                                          if(count==0) hav[i]=0;

                                          count=0;

                            }

              }

             

              if(strcmp(&h,&n)==0){

                            for(i=0;i<10;i++){

                                          if(i==answer->card0) count+=1;

                                          if(i==answer->card1) count+=1;

                                          if(i==answer->card2) count+=1;

                                          if(i==answer->card3) count+=1;

                                          if(count!=0) hav[i]=0;

                                          count=0;

                            }

              }

             

}

 

int main(void) {

              // your code goes here

              int turn, i, j;

              int have[10]={1,1,1,1,1,1,1,1,1,1};

              struct say taro;

 

              scanf("%d", &turn);

 

              for(i=0;i<turn;i++){

                        scanf("%d %d %d %d %s", &taro.card0, &taro.card1, &taro.card2, &taro.card3, taro.hantei);

                        cal(have, &taro);

              }

             

              for(j=0;j<10;j++){

                            if(have[j]==1) printf("%d",j);

              }

 

              return 0;

}