#include <iostream>
#include <iomanip>	// for setprecision

using namespace std;

const int M = 100;

int main()
{	// 1. decl. var.
	int arr[M];
	int size = 0;
	int total = 0;
	int largest;

	// 2. input
	cout << "Input numbers & neg. to quit.\n";
	cin >> arr[size];
	largest = arr[size];

	// 3. computing
	while( arr[size] > 0 )
	{	// debug
		// cout << "The number is: " << arr[size] << endl;
		if ( largest < arr[size] )
			largest = arr[size];

		total = total + arr[size];
		size ++;
		cin >> arr[size];
	}
	// 4. output - debug	
	cout << "size = " << size << endl;
	cout << "total = " << total << endl;
	cout << "largest = " << largest << endl;

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