import java.util.Random;

public class MaximumOf4
{
    public static void main (String[] args)
    {
        Random random = new Random ();
        int first = random.nextInt ();
        int second = random.nextInt ();
        int third = random.nextInt ();
        int forth = random.nextInt ();

        int maximum = first > second ? first : second;
        maximum = maximum > third ? maximum : third;
        maximum = maximum > forth ? maximum : forth;

        System.out.println ("Random numbers generator were " +
                            first +
                            ", " +
                            second +
                            ", " +
                            third +
                            ", and " +
                            forth +
                            ".  The maximum of these four number is " +
                            maximum);
    }
}