import java.util.Scanner;
public class Main
{

  public static void main (String[]args)
  {
    int prelim;			//first exam
    int midterm;		//second exam
    int finals;			//third exam
    int average;		//average of three exams
    int remainder;      //temporary variable to store the value of the average

    Scanner scan = new Scanner (System.in);

    System.out.println ("Enter your prelim exam grade:");
    prelim = scan.nextInt ();
    System.out.println ("Enter your midterm exam grade: ");
    midterm = scan.nextInt ();
    System.out.println ("Enter your final exam grade: ");
    finals = scan.nextInt ();

    //Display entered grades
    System.out.println("Prelim Exam Grade: " + prelim);
    System.out.println("Midterm Exam Grade: " + midterm);
    System.out.println("Final Exam Grade: " + finals);

    //Computation of average
    average = (prelim + midterm + finals)/3;
    remainder = average; //average is moved to a temporary variable

    switch (average/10) {
        case 10:
            System.out.println("The average is: " + average + " :)");
            System.out.println("Equivalent to: 1.0 (Excellent).");
            break;

        case 9:
            remainder = remainder%10; //to obtain the remainder (the decimals) to classify them
            if (remainder>=8) {
                System.out.println("The average is: " + average + " :)");
                System.out.println("Equivalent to: 1.0 (Excellent).");
            }

            else if (remainder>=5 && remainder<8) {
                System.out.println("The average is: " + average + " :)");
                System.out.println("Equivalent to: 1.25 (Excellent).");
            }
            else if (remainder>=2 && remainder<5) {
                System.out.println("The average is: " + average + " :)");
                System.out.println("Equivalent to: 1.50 (Excellent).");
            }
            else if (remainder>=0 && remainder<2) {
                System.out.println("The average is: " + average + " :)");
                System.out.println("Equivalent to: 1.75 (Very Good).");
            }
            break;

        case 8:
            remainder = remainder%10;
            if (remainder==9) {
                System.out.println("The average is: " + average + " :)");
                System.out.println("Equivalent to: 1.75 (Very Good).");
            }

            else if (remainder>=6 && remainder<9) {
                System.out.println("The average is: " + average + " :)");
                System.out.println("Equivalent to: 2.0 (Very Good).");
            }
            else if (remainder>=3 && remainder<6) {
                System.out.println("The average is: " + average + " :)");
                System.out.println("Equivalent to: 2.25 (Very Good).");
            }
            else if (remainder>=0 && remainder<3) {
                System.out.println("The average is: " + average + " :)");
                System.out.println("Equivalent to: 2.50 (Good).");
            }
            break;

        case 7:
            remainder = remainder%10;
            if (remainder>=7) {
                System.out.println("The average is: " + average + " :)");
                System.out.println("Equivalent to: 2.75 (Good).");
            }

            else if (remainder>=5 && remainder<7) {
                System.out.println("The average is: " + average + " :)");
                System.out.println("Equivalent to: 3.0 (Good).");
            }
            else if (remainder<=4) {
                System.out.println("The average is: " + average + " :)");
                System.out.println("Equivalent to: 4.0 (Inc).");
            }
            break;

        default:
            System.out.println("The average is: " + average + " :)");
            System.out.println("Failed.");
    }
}
}