#include <stdio.h>
#include <stdlib.h>

int main()
{
   int count=5;
   int a=0, b=0;

   printf("before: a=%d,  count=%d\n", a, count);
   a = count++;
   printf("after:  a=%d,  count=%d\n\n", a, count);


   printf("before: b=%d,  a=%d\n", b, a);
   b= ++a;
   printf("after:  b=%d,  a=%d\n", b, a);
   
  
   system("pause");
   return 0;
}