#include <cstdio>
inline int getInt(){ int s; scanf("%d", &s); return s; }

#define REP(i,n) for(int i=0; i<(int)(n); i++)

#include <set>

using namespace std;

int main(){
  int can[10]; REP(i,10) can[i] = 1;

  const int n = getInt();
  REP(i,n){
    int a[10]; REP(i,10) a[i] = 0;
    REP(i,4) a[getInt()] = 1;
    char r[10]; scanf("%s", r);
    REP(i,10)
      can[i] &= r[0] == 'Y' ? a[i] : !a[i];
  }

  REP(i,10) if(can[i])
    printf("%d\n", i);

  return 0;
}