import java.util.*;
public class work13
{
    static Scanner reader=new Scanner (System.in);
    public static boolean sederYored (int num)
    {
        int x=0;
        while(num>0)
        {
            if(num%10<x)
                return false;
                x=num%10;
                num/=10;
        }
            return true;
    }
        public static boolean sederOle (int num)
    {
        int x=0;
        while (num>9)
        {
            x=num%10;
            num/=10;
            if(num%10>x)
            return false;
        }
        return true;
    }
        public static void main(String args[])
        {
           System.out.println("Enter a natural number");
           int number = reader.nextInt();
           int zero = 0;
           int a;
           int b;
           int total = 0;
           int count = 1;
           if(sederOle(number))
           {
               while(number>0)
               {
               a = number%10;
                b = a%10;
                total = a+b;
                count++;
            }
            double avg = total/count;
            System.out.println("the avg of the numbers is " + avg);
           }
           else
           {
               if(sederYored(number))
               {
                    while(number>0)
               {
                a = number%10;
                b = a%10;
                total = a+b;
                count++;
               }
                double avg = total/count;
                 System.out.println("the avg of the numbers is " + avg);

            }
            else
            {
                while(number>0)
                {
                   a = number%10;
                   b = a%10;
                   total = a+b;
                }
                    System.out.println("the sum of the numbers is " + total);

           }
        }
    }
}