import java.util.Scanner;

public class GuessingGame
{

  static Scanner sc = new Scanner(System.in);

  public static void main(String[] args)
  {
    boolean keepPlaying = true;
    System.out.println("Let's play a guessing game!");
    while (keepPlaying)
    {
      boolean validInput;                                            
      int number, guess;
      String answer;

      // Pick a random number
      number = (int)(Math.random() * 10) + 1;                        
      // Get the guess
      System.out.println("\nI'm thing of number " + "between 1 and 10.");
      System.out.print("What do you think it is? ");
      do                                                            
      {
        guess = sc.nextInt();
        validInput = true;
        if ((guess < 1) || (guess > 10))
        {
          System.out.print("I said, between 1 and 10. " + "Try again: ");
          validInput = false;
        }
      } while (!validInput);                                         
      // Check the guess
      if (guess == number)                                           
        System.out.println("You're right!");
      else
        System.out.println("You're wrong! " + "The number was " + number);
      // Play again?
      do                                                             
      {
        System.out.print("\nPlay again? (Y or N)");
        answer = sc.next();
        validInput = true;
        if (answer.equalsIgnoreCase("Y"))
          ;
        else if (answer.equalsIgnoreCase("N"))
          keepPlaying = false;
        else
          validInput = false;
      } while (!validInput);                                         
    }                                                                  
    System.out.println("\nThank you for playing!");                    
  }
}