using System;

class HelloWorldStrings
{
    static void Main()
    {
        string firstPart = "Hello ";
        string secondPart = "World";
        object wholeObj = firstPart + secondPart;
        string wholeString = (string)wholeObj;
        Console.WriteLine("the string is " + firstPart + secondPart);
        Console.WriteLine("the string is " + wholeObj);
    }
}