View Compilation Error

0_0_35254921_27622.c: In function 'main':
0_0_35254921_27622.c:19:5: error: expected expression before '/' token
     //printf("sum=%d",sum);
     ^
0_0_35254921_27622.c:20:5: error: expected expression before '/' token
     //printf("i=%d\n",i);
     ^