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

namespace ConsoleApp61
{
    class Program
    {
        static void Main(string[] args)
        {

            string name = Console.ReadLine();
            double counter = 1;
            double sum = 0;
            double excluded = 0;
            bool isExcluded = false;
            while (counter<=12)
            {
                double grade = double.Parse(Console.ReadLine());
                if (grade<4.00)
                {
                    excluded++;
                }
               else if (grade>=4.00)
                {
                    sum += grade;
                    counter++;
                }
                if (excluded>=2)
                {
                    isExcluded = true;
                    break;
                }
            }
            if (isExcluded==false)
            {
                double average = sum / 12;
                Console.WriteLine($"{name} graduated. Average grade: {average:f2}");
            }
            else
            {
                Console.WriteLine($"{name} has been excluded at {counter} grade");
            }
        }
    }
}