05. Exam Preparation exam 09 May 2020

import java.util.Scanner;

public class ExamPreparation {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        int students = Integer.parseInt(scan.nextLine());

        int sumTask = 0;
        //  int sumEnergy = 0;
        int question = 0;

        int task = Integer.parseInt(scan.nextLine());
        int energy = Integer.parseInt(scan.nextLine());
        int sumQuestion = 0;
        boolean trainer = false;

        while (students >= 10) {

            sumTask += task;
            energy += task * 2;
            students -= 5;

            question = students * 2;
            energy -= 3 * question;
            // question++;
            sumQuestion += question;
            if (energy <= 0) {
                trainer = true;
                break;
            }
            int newStudents = students / 10;
            students = students + newStudents;
        }

        if (trainer == false) {
            System.out.println("The students are too few!");
            System.out.printf("Problems solved: %d", sumTask);
        } else {
            System.out.println("The trainer is too tired!");
            System.out.printf("Questions answered: %d", sumQuestion);
        }
    }
}