int sum = 0;
	int inputResult = 0;
	int number = 0;

	do
	{
		printf( "total so far = %d\n", sum );

		inputResult = scanf( "%d", &number );

		if (inputResult != 0)
		{
			sum += number;
		}

	} while ( number != 0 );


	printf( "sum of values = %d\n", sum );
	return 0;