int main()
{

	int	yearloop;
	double	totalrainfall = 0;


	cout << "This program determines how much rainfall fell over a period of time and the average." << endl;
	cout << "Please enter the number of years: ";
	cin >> yearloop;

	if (yearloop < 1)
	{
		cout << "That is not a valid number! Please enter a value of 1 or higher: ";
		cin >> yearloop;
	}

	for (int years = 1; years <= yearloop; years++)
		{
			for (int months = 1; months <= 12; months++)
			{
				cout << "How many inches of rain fell in year " << years << " month " << months << ": ";
				double rainfall;
				cin >> rainfall;
				if (rainfall < 0)
				{
					cout << "That isn't a valid number, please enter a positive number: ";
					cin >> rainfall;
				}
				totalrainfall += rainfall;
			}

		}

	int totalmonths = (yearloop * 12);
	cout << "The total amount of months: " << totalmonths << "." << endl;
	cout << "The total amount of rainfall: " << totalrainfall << " inches." << endl;
	double averageRainfall = totalrainfall / totalmonths;
	cout << setprecision(2) << fixed;
	cout << "The average rainfall is: " << averageRainfall << " inches per month." << endl;

	system("pause");
	return 0;
}