using System;

public class Program

{

    public static void Main()

    {

        double[] scores = {43.9, 54.7, 21.3, 56.2}; //create array

        double total = 0.0; // initialize value

        double average; //create variable to hold average

        for (int index = 0; index < scores.Length; index ++) //add elements to the accumulator 

        {

            total += scores[index];

        }

        average = total / scores. Length;

        Console.WriteLine ("The average is "+ average);

    }

}