What the first line output produced bythis program

b = f(b+a,b-a);

printf("a = %d, b=%d\n",a,b);

b = 2*a + b;

printf("a = %d, b=%d\n", a,b);

d)a = 4, b =9         e)none of theabove

3) What is the second line of output producedby this program?