import java.io.*;
import java.util.*;
public class Driver1 {
public static void main (String [] args ) {
GCD M = new GCD ();
System.out.println (M.myGCD (8,12));
System.out.println (M.myGCD (20, 8) );
System.out.println (M.myGCD (6, 27) );
forTest n = new forTest ();
System.out.println (n.forTesting () );
}
}