02. Exam Preparation

score_break = int(input())
poor_grades = 0
last_name = ''
counter = 0
average = 0

while True:
    name = input()
    if name == "Enough":
        print(f'Average score: {average / counter:.2f}')
        print(f'Number of problems: {counter}')
        print(f'Last problem: {last_name}')
        break

    score = int(input())
    if score > 4:
        last_name = name
    else:
        poor_grades += 1
    average += score
    counter += 1

    if poor_grades == score_break:
        print(f'You need a break, {poor_grades} poor grades.')
        break