import java.util.*;


public class Sandbox {

    public static void main(String args[]) {
        try {
            Scanner sc = new Scanner(System.in);
            /*
            Random rnd = new Random();

            int a = rnd.nextInt(2001) - 1000;
            int b = rnd.nextInt(2001) - 1000;
            int c = rnd.nextInt(2001) - 1000;
            System.out.println(a);
            System.out.println(b);
            System.out.println(c);
            */

            int [] numbers = { 0, 0, 0, 0 };

            System.out.print("Enter four numbers: ");
            numbers[0] = sc.nextInt();
            numbers[1] = sc.nextInt();
            numbers[2] = sc.nextInt();
            numbers[3] = sc.nextInt();

            int max = Math.max(Math.max(numbers[0], numbers[1]), Math.max(numbers[2], numbers[3]));

            System.out.format("You have entered: %d %d %d %d\n",
                numbers[0], numbers[1], numbers[2], numbers[3]
            );
            System.out.println("Maximum is " + max);

            sc.close();

        } catch(Exception e){
            System.out.println("Unexpected error, sorry!");
        }

    }

}