me code eka hari.(programming c).eth fflush(stdin); kiyanne mkdda? plz help

include<stdio.h>

int main()
{
int no1,no2,result;
char op;______
printf("Enter the first number\n");
scanf("%d",&no1);
printf("Enter the second number\n");
scanf("%d",&no2);
printf("Enter the operator (+,-,,/)\n");
****fflush(stdin);****
scanf("%c",&op);
switch(op)
{
case'+':
(result=no1+no2);
break;
case'-':
(result=no1-no2);
break;
case'
':
(result=no1*no2);
break;
case'/':
(result=no1/no2);
break;

      default:printf("Invalid operator\n");
      break;

       }
printf("The value is =%d",result);
return 0;

}

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