import java.io.*;
import java.awt.*;
import java.util.StringTokenizer;
public class IO
{
    public static void main (String[] args) throws IOException
    {
	BufferedReader in = new BufferedReader (new FileReader ("DATA1.txt"));
	PrintWriter out = new PrintWriter (new FileWriter ("OUT1.txt"));
	while (true)
	{
	    String line = in.readLine ();
	    if (line != null)
	    {
		StringTokenizer s = new StringTokenizer (line);
		String line1 = s.nextToken ();
		String line2 = s.nextToken ();
		String line3 = s.nextToken ();
		int line33 = Integer.parseInt (line3);
		int line22 = Integer.parseInt (line2);
		int line11 = Integer.parseInt (line1);
		if (line33 < 1997)
		    out.println ("old enough");
		else if (line33 > 1997)
		    out.println ("too young");
		else
		{
		    if (line22 < 10)
			out.println ("old enough");
		    else if (line22 > 10)
			out.println ("too young");
		    else
		    {
			if (line11 <= 27)
			    out.println ("old enough");
			else
			    out.println ("too young");
		    }
		}
	    }
	    else
		break;
	}
	out.println ();
	out.close ();
    }
}