using System;

public class Program

{

    public static void Main()

    {

        int []a =new int [10];

        int f=0,difference=0;

        int average=0,sum=0;

        for (int i =0;i<10;i++){

            Console.WriteLine("Enter the grade");

        a[i]=int.Parse(Console.ReadLine()); 

            sum+=a[i];

        }

        average=sum / 10;

        for(int i =0 ;i<10;i++){

    difference  =average-a[i];

        f=Math.Abs(difference);

                Console.WriteLine("The average ="+average+"the difference between the numbers ="+f);

​

        }

    }

}