using System;

namespace Graduation
{
    class Program
    {
        static void Main(string[] args)
        {
            string name = Console.ReadLine();
            int grade = 12;
            double input = 0.0;
            int counter = 0;
            double sum = 0;
            int expelled = 0;

            while (counter < grade && expelled < 1)

            {
                input = double.Parse(Console.ReadLine());

                while (input < 4.00)
                {
                    input = double.Parse(Console.ReadLine());
                    expelled++;

                    if (expelled >= 1)
                    break;

                }

                sum += input;
                 counter++;

            }

            if (expelled >= 1)

            {
                Console.WriteLine($"{name} has been excluded at {counter} grade");
            }
            else
            {
                double average = sum / 12;
                Console.WriteLine($"{name} graduated. Average grade: {average:f2}");
            }

            }
    }
}