using System;

public class Program

{

    static private void magic(string a, string b)

{

    string temp = a;

    a=b;

    b=temp;

    Console.WriteLine("Tada: " + a + " " + b);

    return;

}

    public static void Main()

    {

        Console.WriteLine("Please enter two words");

        string word1 = Console.ReadLine();

        string word2 = Console.ReadLine();

        magic(word1,word2);

    }

}