using System;

public class Program

{

    interface IClass 

    {

        string Method();        

        string AnotherMethod();

    }

    class OriginalClass : IClass

    {

        public string Method() 

        {

            return "Original.Method()";

        }

        public string AnotherMethod()

        {

            return "Original.AnotherMethod()";

        }

    }

    class Decorator : IClass

    {

        private readonly IClass decorated;

        public Decorator(IClass decorated) 

        {

            this.decorated = decorated;

        }

        public string Method() 

        {

            var originalValue = decorated.Method();

            return "Decorated " + originalValue;

        }

        public string AnotherMethod() 

        {

            return decorated.AnotherMethod();

        }

    }

    public static void Main()

    {

        var original = new OriginalClass();

        var decorated = new Decorator(original);

        Console.WriteLine(decorated.Method());      

        Console.WriteLine(decorated.AnotherMethod());

    }

}