import java.io.*;
import java.util.*;
public class Driver {
public static void main(String[] args) {
Loops f1, f2;
f1 = new Loops();
f2 = new Loops();
System.out.println("1! = " + f1.fact(1));
System.out.println("2! = " + f2.fact2(2));
System.out.println("3! = " + f1.fact(3));
System.out.println("4! = " + f2.fact2(4));
System.out.println(f1.gcd(12,8));
System.out.println(f1.gcd(8,12));
System.out.println(f1.gcd(75,25));
System.out.println(f1.gcd(13,7));
System.out.println(f1.gcd2(63,14));
System.out.println(f1.gcd2(18,9));
System.out.println(f1.gcd2(9,18));
System.out.println(f1.gcd2(1213, 1447));
System.out.println(f1.IsPrime(18));
System.out.println(f1.IsPrime(2));
System.out.println(f1.IsPrime(79));
System.out.println(f1.IsPrime(1213));
System.out.println(f1.IsPrime(18));
System.out.println(f1.IsPrime(2));
System.out.println(f1.IsPrime(79));
System.out.println(f1.IsPrime(1213));
}
}