using System;

public class Program

{   

    public static void Main()

    {

        var obj = new MyClass();

        var s = string.Format("The date is [{0}] [{1}]", DateTime.Now, obj);

        Console.WriteLine(s);

    }

    public class MyClass

    {

        public override string ToString() 

        {

            return "ToString was called";

        }

    }   

}