using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

​

        string tablica = "abcd";

        for(int i=0; ((i<3) & (tablica[i] !='b')); i++)

        {

            Console.WriteLine(i + ": " + tablica[i]);

        }

        Console.WriteLine("Press any key to exit...");

        Console.ReadLine();

    }

}