using System;

​

namespace Program

{

    public class Program

    {

        public static void Main(string[] args)

        {

            Foo foo = new Baz();

            foo.Method();

        }

    }

​

    interface Foo

    {

        void Method();

    }

​

    class Bar

    {

        public void Method()

        {

            Console.WriteLine("Bar!");

        }

    }

​

    class Baz : Bar, Foo

    {

    }

}