#include <iostream.h>

void main()
{
	int sum=0, count=0, x;
	do
	{
		cout << "\nPlease enter a number: ";
		cin >> x;
		count++;
		sum+=x;
	}while(x!=0);
	cout << "\nSum is : " << sum << endl;
	cout << "\nAverage is : " << sum/(float) (count-1) << endl;
	return;
}