using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication22
{
    class Program
    {
        static void Main(string[] args)
        {
            string name = Console.ReadLine();
            double grades = 1;
            double sum = 0;
            double counter = 0;

            while (grades <= 12)
            {
                double grade = double.Parse(Console.ReadLine());
                if (grade >= 4.00)
                {
                    sum = sum + grade;
                    grades++;
                }
                else
                {
                    counter = counter + 1;
                    if (counter == 2) break;
                }
            }
            if(counter==2)
            {
                Console.WriteLine("{0} has been excluded at {1} grade", name, grades);
            }
            else
            {
                double srednaOcenka = sum / 12;
                Console.WriteLine("{0} graduated. Average grade: {1:f2}", name, srednaOcenka);
            }
        }
    }
}