#include <fstream.h>
int main()
{
	int number;

	ifstream fin ("numbers.txt");
	ofstream fout ("average.txt");

	
	int sum = 0, counter = 0;
	while (fin >> number)	//false when encounters EOF of fin
	{
		fout << number << endl; //echo input to output
		counter++;
		sum += number;
	}

	int average = sum/counter;
	fout << "\nThe average of the " << counter
		 << " numbers is: " << average << endl;

	return 0;
}

FILE:		numbers.txt
10
20
30
40
50
60
70
80
90
100


FILE:		average.txt
10
20
30
40
50
60
70
80
90
100

The average of the 10 numbers is: 55