What will be the output of the following code?

int f(int t, int **first, int *second)
{ int r,s;
    **first+=t; r=**first; 
    s=*second+t;
    t+=5;
return r+s-t;}
void main()
{ int x, **y, *z;
x=10; z=&x; y=&z; 
printf("%d",f(x,y,z));
}