// BreakDemo - input a series of numbers.
//             Continue to accumulate the sum
//             of these numbers until the user
//             enters a 0.
#include <stdio.h> 
#include <iostream.h>

int main(int nArg, char* pszArgs[])
{
 
    // input the loop count
    int nAccumulator = 0;
    cout << "This program sums values entered "
         << "by the user\n";
    cout << "Terminate the loop by entering "
         << "a negative number\n";

    // loop "forever"
    for(;;)
    {
        // fetch another number
	int nValue = 0;
	cout << "Enter next number: ";
	cin  >> nValue;

        // if it's negative...
	if (nValue < 0)
	{
            // ...then exit
	    break;
        }

        // ...otherwise add the number to the
        // accumulator
        nAccumulator = nAccumulator + nValue;
    }

    // now that we've exited the loop
    // output the accumulated result
    cout << "\nThe total is "
         << nAccumulator
         << "\n";

    return 0;
}