name = input()
current_class = 1
bad_tries = 0
good_tries = 0
grade = float(input())
count_grades = 1
sum_of_grades = grade

while True:
    if grade < 4:
        good_tries = good_tries + 1
    else:
        current_class = current_class + 1

    if good_tries == 2:
        print(f"{name} has been excluded at {current_class} grade")
        break

    grade = float(input())
    count_grades = count_grades + 1
    sum_of_grades = sum_of_grades + grade
    if current_class == 12:
        sredna_ocenka = sum_of_grades / count_grades
        print(f"{name} graduated. Average grade: {sredna_ocenka:.2f}")