//Importing the neccesary commands
import javax.swing.JOptionPane;
import java.util.Random;

public class Jay2
{
  public static void main(String [] args)
  {
  
    int ques1;  //First random number
    int ques2;  // Second random number
    int number = 0;  //How many questions input
    int counter = 1;  //while counter
    int ques_sum;  //sum of the two random numbers
    int response;  //your answer
    int number_right = 1;  //number of questions answered correctly
    int number_total = 0;  //number of questions you wanted
    String input;  //Your input for the two numbers
    String message;  //Correct of Wrong massages
    Random questions = new Random();  //Random number selector
    
    
    
    //Asking how many questions
    input = JOptionPane.showInputDialog("Welcome to Jay's simple addition quiz! \n\nHow many questions would you like?");
    number = Integer.parseInt(input);
    
    while(counter <= number)
    {
      ques1 = (Math.abs(questions.nextInt())%20)+1;
      ques2 = (Math.abs(questions.nextInt())%20)+1;
      ques_sum = (ques1+ques2);
      
      input = JOptionPane.showInputDialog(ques1+ "+" +ques2);
      response = Integer.parseInt(input);
      
      if(response == (ques_sum))
      {
      message =  "Correct!";
      JOptionPane.showMessageDialog(null, message.toUpperCase());
      }
      else
      {
      message = "Wrong!";
       JOptionPane.showMessageDialog(null, message.toUpperCase());
      }
      ++counter;
    }
    number_right = (response==ques_sum);   // THIS IS WHERE I AM GETTING ERRORS, I DONT KNOW WHY
    number_total = number;
    
    JOptionPane.showMessageDialog(null, "You correctly answered "+number_right+" out of "+number_total+" questions correctly. \nYour percentage is: "+number_right/number_total+"%");            
    
    System.exit(0);
  }
}