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

namespace DwiteC5
{
    class Program
    {
        static void Main(string[] args)
        {
            string year = null;
            string month = null;
            string day = null;

            int year1 = 0;
            int month1 = 0;
            int day1 = 0;

            string whole = null;

            StreamReader SR = new StreamReader("DATA1.txt");
            StreamWriter SW = new StreamWriter("OUT1.txt");

            for (int i = 0; i < 5; i++)
            {
                whole = SR.ReadLine();

                day = whole.Substring(0, 2);
                month = whole.Substring(3,2);
                year = whole.Substring(6, 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");
                }
            }

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