#include <bits/stdc++.h>
#define rep(i,n) for(int i = 0; i < (n); ++i)
#define srep(i,s,t) for (int i = s; i < t; ++i)
#define drep(i,n) for(int i = (n)-1; i >= 0; --i)
using namespace std;
typedef long long int ll;
typedef pair<int,int> P;
#define yn {puts("Yes");}else{puts("No");}
#define MAX_N 200005

int main() {
    int n;
    cin >> n;
    int f[10];
    rep(i,10)f[i] = 1;

    rep(loop, n){
        int c[10] = {};
        rep(j,4){
            int x; cin >> x;
            c[x] = 1;
        }
        string s; cin >> s;
        if(s == "YES"){
            rep(i,10){
                if(c[i] == 0)f[i] = 0;
            }
        }else{
            rep(i, 10){
                if(c[i])f[i] = 0;
            }
        }
    }

    rep(i,10)if(f[i])cout << i << endl;
    return 0;
}