import java.util.Scanner;

              class Ash7078 {
                 public static void main(String[] args) {
                     // Create a Scanner object to read input from the console
                     Scanner scanner = new Scanner(System.in);
             
                     // Prompt the user to enter a double
                     System.out.print("Enter a double: ");
             
                     // Check if the next input is a double
                     if (scanner.hasNextDouble()) {
                         // Read the double from the user
                         double userInput = scanner.nextDouble();
             
                         // Display the entered double
                         System.out.println("You entered: " + userInput);
             
                         // Check if the entered double is positive, negative, or zero
                         if (userInput > 0) {
                             System.out.println("The entered double is positive.");
                         } else if (userInput < 0) {
                             System.out.println("The entered double is negative.");
                         } else {
                             System.out.println("The entered double is zero.");
                         }
                     } else {
                         // If the input is not a double, display an error message
                         System.out.println("Invalid input. Please enter a valid double.");
                     }
             
                     // Close the scanner
                     scanner.close();
                 }
             }