04. Train The Trainers

using System;

namespace TraintheTrainers
{
    class Program
    {
        static void Main(string[] args)
        {
            int jury = int.Parse(Console.ReadLine());
            string presentation = Console.ReadLine();
            double average = 0;
            double averageTotal = 0;
            int counter = 0;

            while (presentation != "Finish")
            {
                for (int i = 1; i <= jury; i++)
                {
                    double score = double.Parse(Console.ReadLine());
                    average += score;
                    if (jury == i)
                    {
                        Console.WriteLine($"{presentation} - {average / jury:F2}.");
                        averageTotal += average;
                        average = 0;
                        break;
                    }
                }
                counter++;
                presentation = Console.ReadLine();
            }
            Console.WriteLine($"Student's final assessment is {averageTotal / (counter * jury):F2}.");
        }
    }
}