import java.io.*;
import java.util.*;
public class LoopsDriver {
public static void main (String[] args) {
Loops loop;
loop = new Loops();
System.out.println(loop.fact(0));
System.out.println(loop.fact(5));
System.out.println(loop.fact(10));
System.out.println(loop.fact2(0));
System.out.println(loop.fact2(5));
System.out.println(loop.fact2(10));
System.out.println(loop.GCD(9, 21));
System.out.println(loop.GCD2(69, 3));
System.out.println(loop.GCD(3559, 3571));
System.out.println(loop.GCD2(3571, 3559));
System.out.println(loop.isPrime(4348092));
System.out.println(loop.isPrime(3571));
}
}