using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Cenas c1 = new Cenas();

        Cenas c2 = new Cenas();

        Console.WriteLine("c1 - " + Cenas.ping().ToString());

        Console.WriteLine("c2 - " + Cenas.ping().ToString());

    }

}

​

public class Cenas

{

    public static int result = 0;

    public static int ping()

    {

        //int a = 0;

        //return a++;

        result +=1;

        return result;

    }

}

​

​