double StudentAverage(double grade1, double grade2, double grade3, double grade4, double grade5)
{
	return (grade1+grade2+grade3+grade4+grade5)/5;
}

char StudentLetterGrade(double average)
{
	if(average >= 90)
		return 'A';
	else if(average >= 80)
		return 'B';
	else if(average >= 70)
		return 'C';
	else if(average >= 60)
		return 'D';
	else
		return 'F';
}

double ClassAverage(double average)
{
	double static currentTotal =0;
	int static numberStudents =0;
	currentTotal +=average;
	numberStudents +=1;

	return (currentTotal/numberStudents);
}

void Student()
{
	cout << "Enter the name of the file to get student names and grades from" <<
		endl << "(The file must have at least one name and set of grades)." << endl;
	string inFileName;
	cin >> inFileName;


	ifstream infile;
	infile.open(inFileName);


	while(infile.is_open() == false)
	{
		cout << "The file name you entered was invalid please enter another file name" <<
			endl << "(The file must have at least one name and set of grades)." << endl;
		cin >> inFileName;

		infile.open(inFileName);
	}

	string studentName;
	double grade1, grade2,grade3,grade4,grade5,currentStudentGrade;

	while(!infile.eof())
	{


		infile >> studentName >> grade1 >> grade2 >> grade3 >> grade4 >> grade5;

		currentStudentGrade=StudentAverage(grade1,grade2,grade3,grade4,grade5);

		cout << studentName << " Got an average of "<< currentStudentGrade << endl << "     This means they recieved a "
			<< StudentLetterGrade(currentStudentGrade) << " in the course" << endl << "     The current class average is "
			<< ClassAverage(currentStudentGrade) << "." << endl;
	}
}