#include <iostream>
using namespace std;
int main() {
float number, sum = 0.0;
// test expression is always true
while (true)
{
cout << "Enter a number: ";
cin >> number;
if (number != 0.0)
{
sum += number;
}
else
{
// terminates the loop if number equals 0.0
break;
}
}
cout << "Sum = " << sum;
return 0;
}