diff --git a/elabora.php b/elabora.php
index 6a4849a..0640389 100644
--- a/elabora.php
+++ b/elabora.php
@@ -137,18 +137,6 @@ $codRaw = implode($codCognome) . implode($codNome) . $codAnno . $codMese . $codG
 $sumPari=0;
 for($i=1;$i<count($codRaw);$i+=2){
     switch($codRaw[$i]){
-        case '0':
-            $sumPari+=0;
-            break;
-        case '1':
-            $sumPari+=1;
-            break;
-        case '2':
-            $sumPari+=2;
-            break;
-        case '3':
-            $sumPari+=3;
-            break;
         case '0':
             $sumPari+=0;
             break;
@@ -261,6 +249,123 @@ for($i=1;$i<count($codRaw);$i+=2){
             break;
     }
 }
+
+$sumDispari=0;
+//Caratteri dispari
+for($i=0;$i<count($codRaw);$i+=2){
+    switch($codRaw[$i]){
+        case '0':
+            $sumDispari+=0;
+            break;
+        case '1':
+            $sumDispari+=1;
+            break;
+        case '2':
+            $sumDispari+=2;
+            break;
+        case '3':
+            $sumDispari+=3;
+            break;
+        case '4':
+            $sumDispari+=4;
+            break;
+        case '5':
+            $sumDispari+=5;
+            break;
+        case '6':
+            $sumDispari+=6;
+            break;
+        case '7':
+            $sumDispari+=7;
+            break;
+        case '8':
+            $sumDispari+=8;
+            break;
+        case '9':
+            $sumDispari+=9;
+            break;
+        case 'A':
+            $sumDispari+=0;
+            break;
+        case 'B':
+            $sumDispari+=1;
+            break;
+        case 'C':
+            $sumDispari+=2;
+            break;
+        case 'D':
+            $sumDispari+=3;
+            break;
+        case 'E':
+            $sumDispari+=4;
+            break;
+        case 'F':
+            $sumDispari+=5;
+            break;
+        case 'G':
+            $sumDispari+=6;
+            break;
+        case 'H':
+            $sumDispari+=7;
+            break;
+        case 'I':
+            $sumDispari+=8;
+            break;
+        case 'J';
+            $sumDispari+=9;
+            break;
+        case 'K':
+            $sumDispari+=10;
+            break;
+        case 'L':
+            $sumDispari+=11;
+            break;
+        case 'M':
+            $sumDispari+=12;
+            break;
+        case 'N':
+            $sumDispari+=13;
+            break;
+        case 'O':
+            $sumDispari+=14;
+            break;
+        case 'P':
+            $sumDispari+=15;
+            break;
+        case 'Q':
+            $sumDispari+=16;
+            break;
+        case 'R':
+            $sumDispari+=17;
+            break;
+        case 'S':
+            $sumDispari+=18;
+            break;
+        case 'T':
+            $sumDispari+=19;
+            break;
+        case 'U':
+            $sumDispari+=20;
+            break;
+        case 'V':
+            $sumDispari+=21;
+            break;
+        case 'W':
+            $sumDispari+=22;
+            break;
+        case 'X':
+            $sumDispari+=23;
+            break;
+        case 'Y':
+            $sumDispari+=24;
+            break;
+        case 'Z':
+            $sumDispari+=25;
+            break;
+        default:
+            break;
+    }
+}
 ?>
 <!DOCTYPE html>
 <html lang="it">
