diff --git a/test.php b/test.php
index 9fbdf00..51cece7 100644
--- a/test.php
+++ b/test.php
@@ -47,13 +47,11 @@
     $c= "aq_".$i;
     $d=$_POST[$a]+$_POST[$b]*10;
     $sql5 = "UPDATE UserAnswer SET $c=$d WHERE Student_ID=$_POST[student_id]";
-    $sql7 = "SELECT * FROM Persons WHERE num=".$_POST[$b];
+    $sql7 = "SELECT * FROM Persons WHERE num=$_POST[$b]";
     $rowquestion = mysqli_fetch_array(mysqli_query($con,$sql7))['answer'];
     echo $rowquestion;
-    if((int)$_POST[$a] == $rowquestion ) {
-      if((int)$_POST[$a] != 0){
+    if($_POST[$a] == $rowquestion && $_POST[$a]) {
         $scort++;
-      }
     }
     if (!mysqli_query($con,$sql5))
       {