diff --git a/test.php b/test.php
index 2911d33..a9fbeb4 100644
--- a/test.php
+++ b/test.php
@@ -49,8 +49,8 @@
     $sql5 = "UPDATE UserAnswer SET $c=$d WHERE Student_ID=$_POST[student_id]";
     $sql7 = "SELECT * FROM Persons WHERE num=$_POST[$b]";
     $rowquestion = mysqli_fetch_array(mysqli_query($sql7))['answer'];
-    if($_POST[$a] - $rowquestion == 0) {
-      if($_POST[$a] == '1'||$_POST[$a] == '2'||$_POST[$a]=='3'||$_POST[$a]=='4'){
+    if((int)$_POST[$a] - $rowquestion == 0) {
+      if((int)$_POST[$a] != 0){
         $scort++;
       }
     }