Driver.java

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

public class Driver{
    public static void main(String[] args) {
	For f;
	f = new For();
	System.out.println(f.isPrime(5));
	System.out.println(f.isPrime(2));
	System.out.println(f.isPrime(177));
	System.out.println(f.Reverse("LALALalalalalal"));
    }
}