using System;

public class Program

{

    static staticExample2 exam1 = new staticExample2();

    static staticExample2 exam2 = new staticExample2();

​

    public static void Main()

    {

        exam1.a = 5;

        //exam2.b = 3;

        staticExample.x =10;

        exam1.staticfunction();

        exam2.staticfunction();

    }

    public class staticExample{

        public static int x;

        public static void staticfunction(){

            //Console.WriteLine(x.ToString());

        }

    }

    public class staticExample2{

        public int a;

        public void staticfunction(){

            Console.WriteLine(staticExample.x.ToString());

        }

    }

}