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

namespace ConsoleApplication2
{
    class Program
    {
        static void Main(string[] args)
        {
            StreamReader SR;
            StreamWriter SW;

            string DAY = null;
            string MONTH = null;
            string YEAR = null;

            string birthdate = null;

            int DAY1 = 0;
            int MONTH1 = 0;
            int YEAR1 = 0;

            SR = File.OpenText("DATA1.txt");
            SW = File.CreateText("OUT1.txt");

            for (int i = 0; i < 3; i++)
            {
                birthdate = SR.ReadLine();
                DAY = birthdate.Substring(0, birthdate.IndexOf(" "));
                birthdate = birthdate.Substring(birthdate.IndexOf(" ") +1, birthdate.Length-(birthdate.IndexOf(" ")+1));
                MONTH = birthdate.Substring(0, birthdate.IndexOf(" "));
                birthdate = birthdate.Substring(birthdate.IndexOf(" ") +1, birthdate.Length-(birthdate.IndexOf(" ")+1));
                YEAR = birthdate.Substring(0, 4);

                YEAR1 = Convert.ToInt32(YEAR);
                MONTH1 = Convert.ToInt32(MONTH);
                DAY1 = Convert.ToInt32(DAY);

                if (YEAR1 > 1997 || YEAR1 ==1997 && MONTH1 > 10 || YEAR1 == 1997 && MONTH1 == 10 && DAY1 >27)
                {
                   SW.WriteLine("too young");
                }
                else
                {
                    SW.WriteLine("old enough"); 
                }

            }


           /* string firstline = SR.ReadLine();
            string secondline = SR.ReadLine();
            string thirdline = SR.ReadLine();
            */

           /* firstline = "  " + "" + "  " + "" + "dam";
            secondline = "  " + "" + "  " + "" + "    ";
            thirdline = "  " + "" + "  " + "" + "    ";
            */

            /*
            SW.WriteLine(firstline);
            SW.WriteLine(secondline);
            SW.WriteLine(thirdline);
            */

            SW.Close();
            SR.Close();

        }
    }
}