public class RecursiveCountdown
{
	public static void main(String[] args)
	{
		countDown(3);
	}

	public static void countDown(int num)
	{
		if (num <= 0)
		{
			System.out.println();
		}
		else
		{
			System.out.print(num);
			countDown(num - 1);
		}
	}
}