using System;

public class Program

{

    public static void Main()

    {

        string s = "hey world";

        Console.WriteLine("number of characters in string = {0}", s.Length);

        for (int i = 0; i<s.Length; i++)        //this iterates through the string until the length has been reached

        {

            Console.WriteLine(s[i]);

        }

        Console.ReadLine();

    }

}