using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace YukiCoder
{
    class Program
    {
        static void Main(string[] args)
        {


            int N = int.Parse(Console.ReadLine());
            bool[] bN = new bool[10];

            for (int i = 0; i < N; i++)
            {
                bool[] bY = new bool[10];
                var vs = Console.ReadLine().Split().ToList();
                var vn = vs.Take(4).Select(int.Parse).ToList();
                if (vs[4] == "YES")
                {
                    vn.ForEach(n => bY[n] = true);
                    for (int j = 0; j < 10; j++)
                    {
                        if (!bY[j]) bN[j] = true;
                    }
                }
                else vn.ForEach(n => bN[n] = true);
            }
            for (int i = 0; i < 10; i++) if (!bN[i]) Console.WriteLine(i);
            //Console.ReadLine();
        }
    }
}