ss

num_unsatisfactory_grade = int(input())
question_count = 0
grade_sum = 0
current_unsatisfactory_grades = 0
last_question = " "
current_question_name = input()

while current_question_name != "Enough":
    question_grade = int(input())
    question_count += 1
    grade_sum += question_grade
    last_question = current_question_name
    if question_grade <= 4:
        current_unsatisfactory_grades += 1
        if current_unsatisfactory_grades >= num_unsatisfactory_grade:
            print(f"You need a break, {current_unsatisfactory_grades} poor grades.")
            break
    current_question_name = input()

if current_question_name == 'Enough':
    print(f"Average score: {(grade_sum / question_count):.2f}")
    print(f"Number of problems: {question_count}")
    print(f"Last problem: {last_question}")