using System;
class Program
{
  static void Main()
  {
    string name = Console.ReadLine();
    int grades = 1;
    double sum = 0;
    bool passed = true;
    while(grades <= 12)
    {
      double grade = double.Parse(Console.ReadLine());
      if(grade >= 4.0)
        sum += grade;
      else if(passed)
        passed = false;
      else
        break;
      grades++;
    }
    if(grades > 12)
      Console.WriteLine($"{name} graduated. Average grade: {sum/12:F2}");
    else
      Console.WriteLine($"{name} has been excluded at {--grades} grade");
  }
}