grade = Integer.parseInt(scanner.nextLine());
            if (grade<=4){
                failedAttempts++;
            }gradesSum+=grade;
            solvedProblemsCount++;
            lastProblem = problemName;
        } if (isFailed){
            System.out.printf("You need a break, %d poor grades.", badMarks);
        } else {
            System.out.printf("Average score: %.2f%n", gradesSum/solvedProblemsCount);
            System.out.printf("Number of problems: %d%n", solvedProblemsCount);
            System.out.printf("Last problem: %s", lastProblem);
        }
    }
}