Exam Preparation

package com.company;

import java.util.Scanner;

public class ExamPreparation {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int badGrade = Integer.parseInt(scanner.nextLine());
        String taskName;
        int countBadGrade = 0;
        double sumGrade = 0;
        int gradeCount = 0;
        String lastTask = "";
        int grade;

        while (countBadGrade < badGrade) {
            taskName = scanner.nextLine();
            grade = Integer.parseInt(scanner.nextLine());
            if (taskName.equals("Enough")) {
                break;
            }
            lastTask = taskName;
            gradeCount++;
            sumGrade += grade;
            if (grade <= 4) {
                countBadGrade++;
            }
        }
        if (countBadGrade < badGrade) {
            double averageGrade = sumGrade / gradeCount;
            System.out.printf("Average score: %.2f%n",averageGrade);
            System.out.printf("Number of problems: %d%n",gradeCount);
            System.out.printf("Last problem is: %s",lastTask);
        }else {
            System.out.printf("You need a break, %d poor grades.",countBadGrade);
        }

    }
}