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

namespace Graduation_pt._2
{
    class Program
    {
        static void Main(string[] args)
        {
            string student = Console.ReadLine();
            double grade = double.Parse(Console.ReadLine());
            int currentClass = 1;
            double allGrade = 0;

            while (currentClass <= 12)
            {
                if (grade < 4)
                {
                    Console.WriteLine($"{student} has been excluded at {currentClass} grade");
                    break;
                }
                if (grade >= 4)
                {
                    allGrade += grade;
                    currentClass++;
                }
                if (currentClass < 13)
                {
                    grade = double.Parse(Console.ReadLine());
                }

            }
            if (currentClass==13)
            {
                double average = allGrade / 12;
                Console.WriteLine($"{student} graduated. Average grade: {average:F2}");
            }
        }
    }
}