import java.util.Scanner;

public class Test2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        String name = scanner.nextLine();

        int goodGradeNum = 1;
        int badGradeNum = 0;
        double gradeSum = 0;
        int totalGrade = 0;

        while (goodGradeNum < 13){
        double grade = Double.parseDouble(scanner.nextLine());
        gradeSum = gradeSum + grade;
        totalGrade ++;
        if (grade < 4.0){
            badGradeNum++;
        }else {
            goodGradeNum++;
        }

        if (badGradeNum >= 2){
            System.out.printf("%s has been excluded at %d grade",name, goodGradeNum);
            break;
        }
        }

        double average = gradeSum / totalGrade;
        if (goodGradeNum >= 12){
            System.out.printf("%s graduated. Average grade: %.2f", name, average);
        }

    }

}