import java.util.Scanner;

public class GraduationPart2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String name = scanner.nextLine();
        int educationLevel = 1;
        double sumOfGrades = 0;
        int poorGrade = 1;


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

            if (grade < 4) {
                poorGrade++;
                if (poorGrade >= 2) {
                    System.out.printf("Mimi has been excluded at %d grade", educationLevel);
                    return;
                }
                continue;
            }

            sumOfGrades += grade;
            educationLevel++;

        }

        System.out.printf("%s graduated. Average grade: %.2f", name, sumOfGrades / 12);
    }
}