public class Test {

    public static void main(String[] args) {

	WhoAmI w = new One();

	if (args.length > 0) {

	    int i = Integer.parseInt(args[0]);

	    if (i == 2) w = new Two();
	    else if (i == 3) w = new Three();
	}

	w.whoAreYou();
    }
}