#include <iostream>
using namespace std;
int main ()
{
	int num1, num2, product;
product = 0;
while ( product == 0)
{
cout <<"Enter two nonzero integers (a zero entry will terminate the program):";
cin >> num1 >> num2;
product = num1 * num2;
cout <<"The product is " << product <<endl;
}
}