using System;

public class Program

{

    public static void Main()

    {

    int i,Avgofthemark=0,sum=0,count=0;

     int [] student= new int [20];

    for (i=0;i< student.Length;i++) 

    {

    Console.WriteLine("please enter a mark the subject electronica ");

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

    sum=sum+student[i]; 

    }

    Avgofthemark=sum/20;

    Console.WriteLine("Avg of the mark electronica {0}",Avgofthemark);

    for(i=0;i<6;i++)

    {

    if(student[i]>Avgofthemark) 

    {

    Console.WriteLine("student score is greater than average ") ;

    Console.WriteLine("The highest mark is{0} and student{1}")  ;

    }

    }   

    }

}