import java.util.*;

    public class IfElseGrades 
   {
       public static void main(String[] args) 
      {
      
         Scanner keyboard = new Scanner(System.in);
         int testScore = 0;
         char grade = ' ';
         System.out.print("What was your test score? ");
         testScore = keyboard.nextInt();
      
         if (testScore >= 90) 
			{
            grade = 'A';
         } 
         else if (testScore >= 80) 
			{
            grade = 'B';
         } 
         else if (testScore >= 70) 
			{
            grade = 'C';
         } 
         else if (testScore >= 60) 
			{
            grade = 'D';
         } 
         else 
			{
            grade = 'F';
         }
         System.out.println("Grade = " + grade);
      }
   }