Driver.java

import java.io.*;
import java.util.*;

public class Driver {

    public static void main (String [] args ) {

	Loops l = new Loops ();

	System.out.println (l.fact (5));
	System.out.println (l.fact (1));
	System.out.println (l.fact (0));
	System.out.println (l.fact (13));

	System.out.println (l.fact2 (5));
	System.out.println (l.fact2 (1));
	System.out.println (l.fact2 (0));
	System.out.println (l.fact2 (13));

    }

}