#include<stdio.h>
void main(void)
{

       int a,b,c,d,e,f,g,h,i,j,k,l;
       a=10;
       b=20;
       c=30;
       a=c;
       b=a;
       c=b;
                printf("a=%2d b=%2d c=%2d\n\n",a,b,c);
       d=10;
       e=20;
       f=30;
       d=f++;
       e=d++;
       f=e++;
                printf("d=%2d e=%2d f=%2d\n\n",d,e,f);
       g=10;
       h=20;
       i=30;
       g=++i;
       h=++g;
       i=++h;
                printf("g=%2d h=%2d i=%2d\n\n",g,h,i);
       j=10;
       k=20;
       l=30;
       j=l;
       k=j;
       l=k;
       printf("j+=%2d k/=%2d l%=%2d\n\n",j,k,l);

       system("pause");

}