Graduation

using System;

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

            string name = Console.ReadLine();

            int grade = 1; //  the current grade of the student, e.g 1
            double sum = 0;
            int counter = 0; // counts the number of times the student has been excluded

            while (grade <= 12)
            {
                double yearlyGrade = double.Parse(Console.ReadLine()); // the yearly grade of the student, e.g 5.60

                if (yearlyGrade < 4)
                {
                    counter++;
                    if (counter == 2)
                    {
                        break;
                    }

                    continue;
                }

                sum += yearlyGrade;

                grade++;
            }


            double averageGrade = sum / 12;

            if (grade > 12)
            {
                Console.WriteLine($"{name} graduated. Average grade: {averageGrade:f2}");
            }
            else
            {
                Console.WriteLine($"{name} has been excluded at {grade} grade");
            }

        }
    }
}