ExamPreparation SoftUni

import java.util.Scanner;

public class ExamPreparation {
    public static void main(String[] args) {

        Scanner scanner = new Scanner(System.in);

        int badLimit = Integer.parseInt(scanner.nextLine());
        int badCount = 0;
        int taskCount = 0;
        double sumGrade = 0.0;
        String lastTask = "";
        boolean isFailed = true;

        while (badCount < badLimit) {
            String task = scanner.nextLine();
            if ("Enough".equals(task)) {
                isFailed = false;
                break;
            }
            int grade = Integer.parseInt(scanner.nextLine());
            if (grade <= 4) {
                badCount ++;
            }
            sumGrade += grade;
            taskCount ++;
            lastTask = task;
        }

        if (isFailed) {
            System.out.printf("You need a break, %d poor grades.", badLimit);
        }
        else {
            System.out.printf("Average score: %.2f%n", sumGrade / taskCount);
            System.out.printf("Number of problems: %d%n", taskCount);
            System.out.printf("Last problem: %s", lastTask);
        }

    }
}