Untitled

<html>
<body>
<form action="Matei_Cozac.php" method="post">
Citire:<input type="value" name="$n" />
<input type="submit">
</form>
$nr2=0;
$nr5=0;
$i=0 ;
$x=0;

for ($i=1; $i<=$n; $i++)
    {$x=$i;
     while ($x%2==0)
         {$x/=2;
          $nr2++;
         }
     while ($x%5==0)
        {$x/=5;
         $nr5++;
        }
    }
if ( $nr5 < $nr2 ) print $nr5;
    else print $nr2;

</body>
</html>