#include <iostream>

using namespace std;

int main()
{
	float number, sum=0;
	int c=1, n=0;

	while (__________)
	{
		____________________;		
		cout << "Number " << n << " = ";
		cin >> number;
		____________________;
		cout << "Continue (yes=1/no=0)? ";
		cin >> c;
	}

	cout << "Sum = " << sum << endl;

	return 0;
}