import java.util.Scanner;

public class Average_grade_2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String name = scanner.nextLine();

        int counter = 0;
        int counterDown = 0;
        double avgGrade = 0;

        while (counter < 12) {
            double grade = Double.parseDouble(scanner.nextLine());

            if (grade >= 4) {
                avgGrade = avgGrade + grade;
                counter++;

            } else if (grade < 4 && counterDown < 1) {
                avgGrade = avgGrade + grade;
                counter++;
                counterDown++;

            } else {
                System.out.printf("%s has been excluded at %d grade", name, counter);
            }
        }
        System.out.printf("%s graduated. Average grade: %.2f", name, avgGrade / counter);
    }
}