✪ Choose the correct option.
The output of the following program is
#define two (x) 2*x
#define ddouble (x) x + x
void main()
{
int num, sum, product;
num = 1;
sum = - two (num); sum = -(sum + 1);
product = - ddouble (num);
printf ("%d%d/n" ,sum,product);
}