All assignment operators

#include<stdio.h>
#include<math.h>
// All   assignment  operators
int main()
{
    int a,result;
    printf(" Enter  integer values of a: \n");
    scanf("%d",&a);
     result=a;
     printf("result=%d\n",result);
     result +=a;// result =result+a
     printf("result=%d\n",result);
    result -=a; //result=result-a
     printf("result=%d\n",result);
     result *=a; //result=result *a
     printf("result=%d\n",result);
     result /=a; //result =result/a
     printf("result=%d\n",result);
     result %=a; //result =result %a
     printf("result=%d\n",result);
     return 0;
     }