using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        var copier = new Copier();

        copier.ScannAndPrint();

    }

}

public interface IPrinter

{

    public void Print()

    {

       Console.WriteLine("Printing...");

    }

}

​

public interface IScanner

{

    public void Scan()

    {

       Console.WriteLine("Scanning...");

    }

}

​

public class Copier : IPrinter, IScanner

{

    public void ScannAndPrint()

    {

       ((IScanner)this).Scan();

       ((IPrinter)this).Print();

       Console.WriteLine("Scanning and Printing complete!");

    }

}