cout << "Problem 4: " << endl;
	{
		grade = 60;
		calculateGrade(grade);
	}

	cout << "Problem 8: " << endl;
	{
		string str;

		cout << "Please enter a string: ";
		cin >> str;
		cout << endl;

		int length = str.length();
		int count = 0;
		int i = 0;
		//int letter;
		//letter = length / length - 1;
		for (i; i <= length; i++)
		{
			if (str.at(i) == 'a')
				count++;

			//if a vowel, count++
		}

		cout << "The number of lowercase vowels you have in the string is: " << count << endl;
	}