04. Train The Trainers

import java.util.Scanner;

public class TrainTheTrainers {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int juryCount = Integer.parseInt(scanner.nextLine()),
                counter = 0;
        double totalScores = 0;

        String presentation = "";
        while (!(presentation = scanner.nextLine()).equals("Finish")) {
            double score, sumScores = 0;
            for (int i = 0; i < juryCount; i++) {
                score = Double.parseDouble(scanner.nextLine());
                sumScores += score;
            }

            System.out.printf("%s - %.2f.\n", presentation, sumScores / juryCount);
            totalScores += sumScores;
            counter++;
        }

        System.out.printf("Student's final assessment is %.2f.\n", totalScores / (counter * juryCount));
    }
}