Graduation pt.2

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

namespace DomashnoGraduationPt2
{
    class Program
    {
        static void Main(string[] args)
        {
            int numberOfInputs = 1;
            double gradeAcumulate = 0.00;
            int excludedAcumulate = 0;

            string name = Console.ReadLine();

            while (numberOfInputs <= 12 && excludedAcumulate < 2)
            {
                double grade = double.Parse(Console.ReadLine());
                if (grade >= 4.00)
                {
                    gradeAcumulate += grade;
                    numberOfInputs++;
                }
                else
                {
                    excludedAcumulate += 1;
                }
            }

            if (excludedAcumulate < 2)
            {
                double averageGrade = 1.00 * gradeAcumulate / (numberOfInputs - 1);
                Console.WriteLine($"{name} graduated. Average grade: {averageGrade:f2}");
            }
            else
            {
                int gradeExcluded = numberOfInputs;
                Console.WriteLine($"{name} has been excluded at {gradeExcluded} grade");
            }

        }



    }
}