using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;

namespace test
{
    class Program
    {
        public static void Main()
        {
            string name = Console.ReadLine();
            int clas = 0;
            int failCounter = 0;
            double grades = 0.00;
            bool graduated = true;

            while (clas < 12)
            {
                clas++;
                double grade = double.Parse(Console.ReadLine());
                grades += grade;

                if (grade < 4.00)
                {
                    failCounter++;
                }
                if (failCounter == 2)
                {
                    Console.WriteLine($"{name} has been excluded at {clas - 1} grade");
                    graduated = false;
                    break;
                }
            }

            if (graduated)
            {
                double averageGrade = grades / 12;
                Console.WriteLine($"{name} graduated. Average grade: {averageGrade:f2}");
            }
        }
    }
}