class ArgumentWorld2 {

	public static void main(String args[]) {
		int argVal;

		argVal = Integer.parseInt(args[0]);

		// prints out "Hello World" argVal times. You need to run this program with one
		// argument. This will determine argVal and how many times HelloWorld is printed out.
		for(int i=0;i<argVal;i++) {
			System.out.println("Hello World " + i + ".");
		}
	}


}