import type.lib.*;
import java.util.Scanner;
import java.io.PrintStream;

public class Test8P3
{
    public static void main(String[] args)
    {
        PrintStream output = System.out;
        Scanner input = new Scanner(System.in);

        final String GRADE = "ABCDEF";
        final int strlen = GRADE.length();

        Student stu = Student.getRandom();

        for(String crs : stu)
        {
            String grade = stu.getCourseGrade(crs);
            output.println("Current Grade = " + grade);
            if(GRADE.indexOf(grade)>0)
            {
                int index = GRADE.indexOf(grade)-1;
                output.println("*******" + index);
                String ncrs = ""+GRADE.charAt(index);
                output.println(stu.setCourseGrade(crs, ncrs));

            }
            output.println("New Grade = " + grade);
            output.println(stu.toString());
        }
    }
}