using System;

​

public class Program

{

    public static void Main()

    {

        string s;

        int i=0,rem,l,n;

        Console.WriteLine("Enter numbers");

        n=Convert.ToInt32(Console.ReadLine());

        s=n.ToString();

        l=s.Length;

        int[] a=new int[l];

        Console.WriteLine("Output.....");

        Console.WriteLine();

        while(n>0)

        {

            rem=n%10;

            a[i]=rem;

            i++;

            n=n/10;

        }

        for(i=l-1;i>=0;i--)

        {

            Console.Write(a[i]);

            if(i!=0)

            {

                Console.Write(",");

            }

            else

            {

                Console.Write(".");

            }

        }

    }

}