import java.util.*;
import java.math.*;
import java.io.*;
 
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int n = sc.nextInt();
		int TMP = 0xffff;
		for(int i = 0; i < n; i++) {
			int a = sc.nextInt();
			int b = sc.nextInt();
			int c = sc.nextInt();
			int d = sc.nextInt();
			boolean ok = sc.next().equals("YES")?true:false;
			if(ok) TMP &= ((1 << a) | (1 << b) | (1 << c) | (1 << d));
			else TMP &= ~((1 << a) | (1 << b) | (1 << c) | (1 << d));
		}
		for(int i = 0; i < 10; i++) {
			if((TMP & (1 << i)) != 0) System.out.println(i);
		}
	}
}