using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

namespace ConsoleApplication1

{

    class Program

    {

        static void Main(string[] args)

        {

            Test1 t1 = new Test1();

            t1.DoSome();

            Console.Read();

        }

        public class Test

        {

            public int _m1;

            public static int _m2;

            public Test()

            {

                Console.WriteLine(_m1);

                Console.WriteLine(_m2++);

            }

        }

        public class Test1 : Test

        {

            public int _m1;

            public static int _m2;

            public Test1()

            {

                Console.WriteLine(_m1);

                Console.WriteLine(_m2++);

            }

            public void DoSome()

            {

                Console.WriteLine(_m2);

            }

        }

    }

}