using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading.Tasks;

​

namespace Naslidyvanny

{

    class Program

    {

        static void Main(string[] args)

        {

            Build B = new Build();

            GutlovuqBuild G = new GutlovuqBuild();

            PrivetBuild PB = new PrivetBuild();

​

            Console.WriteLine("B.plosha = {0}, G.plosha = {1}, PB.plosha = {2}", B.plosha, G.plosha, PB.plosha);

            Console.ReadLine();

​

            B.plosha = 10;

            G.plosha = 5;

            PB.plosha = 1;

​

            Console.WriteLine("B.plosha = {0}, G.plosha = {1}, PB.plosha = {2}", B.plosha, G.plosha, PB.plosha);

            Console.ReadLine();

        }

    }

​

    class Build

    {

        public int plosha;

        protected int vusota;

        public bool poverhovist;

    }

    class GutlovuqBuild : Build

    {

        public bool pidizdu;

​

    }

    class PrivetBuild: GutlovuqBuild

    {

        int ploshaDiljnku;

    }

}