//File:	Grades.java
import CSLib.*;
public class Grades
{
	public static void main (String [] args)
	{
		InputBox in = new InputBox();
		OutputBox out = new OutputBox("Grades");
		
		in.setPrompt ("What was the score?  ");
		int score = in.readInt ();
		
		char grade=' ';
		
		if ((score > 100) || (score < 0))
		{
			out.println ("You DUMMY!");
		}
		
		
		else if ((score >= 90) && (score <= 100))
		{
			grade='A';
		}
		else if ((score >= 80) && (score < 90))
		{
			grade='B';
		}
		else if ((score >= 70) && (score < 80))
		{
			grade='C';
		}
		else if ((score >= 60) && (score < 70))
		{
			grade='D';
		}
		else if ((score >= 0) && (score < 60))
		{
			grade='F';
		}
		
		
		out.println ("Your score is: " + score);
		out.println ("Your grade is:  " + grade);
	}
}