#include<iostream>
#include<iomanip>

using namespace std;

int main()
{
	// 1. decl. var.
	int num;
	int total = 0;	// sum up all numbers
	int size = 0;	// # of integers
	int largest;

	// 2. prompt and input
	cout << "Input numbers & quit for a neg. one:\n";
	cin >> num;
	largest = num;

	while( num>0 )
	{	// debug
		// cout << "The number is: " << num << "\n\n";
		if( largest < num)
			largest = num;
		total = total + num;
		size ++;
		avg = total/size;
		cin >> num;
	}
	// debug
	cout << "Average = " << avg << endl;;
	cout << "The largest = " << largest << endl;

	cout << "\n\n+++++++++\nDone.\n\n";
	return 0;
}