using System;

namespace _08.Graduation
{
    class Graduation
    {
        static void Main(string[] args)
        {
            string name = Console.ReadLine();

            double sumGrades = 0.0;
            double level = 1;

            while (level <= 12)
            {

                double grade = double.Parse(Console.ReadLine());


                if (grade >= 4.00)
                {
                    sumGrades += grade;
                    level++;
                }
            }

            double average = sumGrades / 12.0;
            if (average >= 4.00)
            {
                Console.WriteLine($"{name} graduated. Average grade: {average:f2}");
            }

        }
    }
}