程序代码：

int main()
{

   int x,y,nextnum;
   x=2;
   y=3;
   nextnum=(x+y++)*6;
   printf("%d",nextnum);



    return 0;
}int main()
{

   int x,y,nextnum;
   x=2;
   y=3;
   nextnum=(x+++y)*6;
   printf("%d",nextnum);



    return 0;
}