using System;

public class Program

{

    public static void Main()

    {

        int[] cars = {2,30,25,5,10,1,3};

        float result = 0;

        for (int i = 0; i < cars.Length; i++)

        {

            result += cars[i];

        }

        Console.WriteLine("Total cars parked this week: "+result);

        Console.WriteLine("Average: " + result/cars.Length);

        // int[] cars; 

        // cars = new [] {21, 22, 23, 24, 25};

        // int[] cars = new int[5]       ... == {0,0,23,0,0}

        // cars[2] = 23;

    }

}