import java.util.Scanner;


public class Main_yukicoder24 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();
        int[] abcd = new int[10];
        int y = 0;
        for (int i = 0; i < n; i++) {
        	int[] tmp = new int[4];
        	for (int j = 0; j < 4; j++) {
        		tmp[j] = sc.nextInt();
        	}
        	int d;
        	if (sc.next().equals("YES")) {
        		d = 1;
        		y++;
        	} else {
        		d = -1;
        	}
        	for (int j = 0; j < 4; j++) {
        		abcd[tmp[j]] += d;
        	}
        }

        for (int i = 0; i < 10; i++) {
        	if (y == abcd[i]) {
        		System.out.println(i);
        	}
        }

        sc.close();
    }
}