import java.util.*;
import javax.swing.*;
//Assign a test grade on the following scale
// Score       Grade
// 80 .. 100   GOOD
// 60 .. 79    FAIR
// 0  .. 59    POOR
//
public class Lab04Exercise1
{
   public static void main(String[] args)
   {
      String input = JOptionPane.showInputDialog(null, 
                                 "Enter an (integer) test score 0 .. 100");
      int score = Integer.parseInt(input);
   
      if (score < 0 || score > 100)
         throw new RuntimeException("Invalid Score " + score + " Entered");
         
      String grade;
      
      if (score > 80)
         grade = "GOOD";
         
      if (score > 60)
         grade = "FAIR";
       
      grade = "POOR";
      
      JOptionPane.showMessageDialog(null, "Score: " + score + " " + grade);
   }
}