import java.util.*;

public class Main
{
public static void main(String[] args)
{
System.out.println("Hello World!");

Scanner input = new Scanner(System.in);

System.out.print("Enter a number: ");
double number1 = input.nextDouble();

System.out.print("Enter second number: ");
double number2 = input.nextDouble();

double product = number1 * number2;
System.out.printf("The product of both numbers is: %f", product);
}
}