using System;
using System.Collections.Generic;
using System.IO;

class Person {
    public int age;     
	 public Person(int initialAge)
     {
        age = initialAge < 0 ? 0 : initialAge;
        if(initialAge <0)
            Console.WriteLine("Age is not valid, setting age to 0.");
     }
     public void amIOld() {
        // Do some computations in here and print out the correct statement to the console 
        if(age < 13)
            Console.WriteLine("You are young.");
        else if(age >= 13 && age <18)
            Console.WriteLine("You are a teenager.");
        else
            Console.WriteLine("You are old.");
            
     }

     public void yearPasses() {
        // Increment the age of the person in here
        age ++;
     }

static void Main(String[] args) {
        int T=int.Parse(Console.In.ReadLine());
        for (int i = 0; i < T; i++) {
            int age=int.Parse(Console.In.ReadLine());
            Person p=new Person(age);
             p.amIOld();
                for (int j = 0; j < 3; j++) {
                  p.yearPasses();
                }
                p.amIOld();
                Console.WriteLine();
        }
    }
}