08. Graduation

#include <iostream>
using namespace std;

int main()
{

	string name;
	cin >> name;

	double sumGrade = 0;
	int lowgrade = 0;
	int year = 0;
	while (year < 12)
	{
		double grade;
		cin >> grade;

		if (grade < 4)
		{
			lowgrade++;
		}
		if (lowgrade > 1)
		{
			break;
		}

		sumGrade += grade;
		year++;

	}
	cout.setf(ios::fixed);
	cout.precision(2);

	if (lowgrade > 1)
	{
		cout << name << " has been excluded at " << year << " grade";
	}
	else
	{
		cout << name << " graduated. Average grade: " << sumGrade / year;
	}

}