using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] numbers;
            int index;

            // Use array
            numbers = new int[5];

            // Index varies between 0 and 4
            numbers[0] = 4;
            numbers[1] = 45;
            numbers[2] = 47;
            numbers[3] = 48;
            numbers[4] = 49;

            // Experiment 1.
            for (index = 0; index < 5; index++)
            {
                // Index varies between 0 and 4
                Console.WriteLine("Index value is {0}", index);
            }

            // Experiment 2.
            for (index = 0; index < 5; index++)
            {
                // Can we read number from array using index?
                // YES !!!
                Console.WriteLine("Index value is {0} and number stored is {1}", index, numbers[index]);
            }

            Console.ReadKey();  // Pause
        }

        static int EnterNumber()
        {
            Console.WriteLine("Enter number:");
            return int.Parse(Console.ReadLine());
        }
    }
}