import java.util.Scanner;

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

        String studentName = scanner.nextLine();

        int grade = 1;

        double sum = 0;

        int repetion = 0;

        boolean isExcluded = false;

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

            if (mark < 4) {

                repetion++;


                if (repetion == 2) {
                    isExcluded = true;
                    System.out.printf("%s has been excluded at %d grade", studentName, grade);
                    break;
                }
                continue;
            }

            sum = sum + mark ;

            grade ++;


        }
        double averageGrade = sum / 12;

        if (!isExcluded) {

            System.out.printf("%s graduated. Average grade: %.2f", studentName, averageGrade);

        }
    }
}