//	By: Robert Johnson
//	Title: assignment5.cpp
//	Due Date: 10/24/2007
//	Compiliting: g++ assignment5.cpp -o assignment5.out
//	Execution: ./assignment5.out
//	Goal: Read the numbr of numbers and average them together.

#include <iostream>
#include <iomanip>

using namespace std;

int main()
{
	cout << fixed << showpoint << setprecision(1);

	int num;
	int counter = 0;
	int sum = 0;
	float avg = 0;
	
	cin >> num;
	while(cin)
	{
		counter ++;
		sum = sum + num;

		cin >> num;
	}

	avg = sum/num;

	cout << "There are " << counter << " numbers, and the average of them is " << avg << "." << endl;

	return 0;
}