01. Ages

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace _1.Ages
{
    class Program
    {
        static void Main(string[] args)
        {
            int Age = int.Parse(Console.ReadLine());

            if(Age>=0 && Age <=2)
            {
                Console.WriteLine("baby");
            }
            else if (Age >2 && Age <= 13)
            {
                Console.WriteLine("child");
            }
            else if (Age > 13 && Age <= 19)
            {
                Console.WriteLine("teenager");
            }
            else if (Age > 19 && Age <= 65)
            {
                Console.WriteLine("adult");
            }
            else
            {
                Console.WriteLine("elder");
            }

        }
    }
}