public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String name = scanner.nextLine();
        int actualclass = 0;
        int countclass = 0;
        double total = 0;
        while(true){
            double grade = scanner.nextDouble();
            total += grade;
            countclass++;
            if(grade >= 4){
                actualclass++;
            }else{
                countclass++;
            }
            if(actualclass == 12){
                System.out.printf("%s graduated. Average grade: %.2f", name, total / countclass);
                break;
            }
        }
    }