import java.util.*;
import java.io.*;


public class age{
	public static void main(String [] args)throws IOException{
		
		Scanner input = new Scanner(new File("DATA1.txt"));
		PrintWriter writer = new PrintWriter(new File ("OUT1.txt"));
		
			while(input.hasNext()){
				
				int day = input.nextInt();
				int month = input.nextInt();
				int year = input.nextInt();
				
				if(year>1997){
					writer.println("too young");
				}
				
				else if(year==1997 && month>10){
					writer.println("too young");
				}
						
				
				
				else if(year==1997 && month==10 && day>27){
					writer.println("too young");
				}
					
				else{
					writer.println("old enough");
				}				
				
				
				
			}
		writer.close();
	}
}