import java.util.Scanner;

public class Graduation {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String name = scanner.nextLine();
        double yearlyGrade = 0;
        int expelCount = 0;
        int classCount = 0;
        boolean isExpelled = false;

        while (classCount++ < 12) {
            double averageGrade = Double.parseDouble(scanner.nextLine());
            yearlyGrade += averageGrade;

            if (averageGrade < 4) {
                expelCount++;
            }
            if (expelCount == 2) {
                isExpelled = true;
                break;
            }
        }

        if (isExpelled) {
            System.out.printf(" %s has been excluded at %d grade", name, classCount);
        } else {
            System.out.printf("%s graduated. Average grade: %.2f ", name, yearlyGrade / 12);
        }

    }
}