using System;

public class Program

{

    public static void Main()

    {

     Console.WriteLine("enter a 6 digit number");

    int fedcba=int.Parse(Console.ReadLine());

        if(!(fedcba>= 100000 && fedcba<= 999999))

            Console.WriteLine("invalid number");

        else

        {

            //fedcba

           int a = fedcba%10;

            int b = fedcba%100/10;

            int c = fedcba%1000/100;

            int d= fedcba/1000%10;

            int e= fedcba/10000%10;

            int f= fedcba/100000;

            if (f==e && e==d && c==b && b==a)

                   Console.WriteLine("all digits are equal");

            else

            if(f>=e && e>=d && c>=b && b>=a)

                Console.WriteLine("ascending sorted");

            else if(f<=e && e<=d && c<=b && b<=a)

                    Console.WriteLine("descending sorted");

                else

            Console.WriteLine("not sorted");

        }   

    }

}