strange simple error

splain
/opt/local/bin/splain: Reading from STDIN
Unquoted string "paketlimiti" may clash with future reserved word at deneme.pl line 19.
Unquoted string "paketlimiti" may clash with future reserved word at deneme.pl
      line 19 (#1)
    (W reserved) You used a bareword that might someday be claimed as a
    reserved word.  It's best to put such a word in quotes, or capitalize it
    somehow, or insert an underbar into it.  You might also declare it as a
    subroutine.

Name "main::paketlimiti" used only once: possible typo at deneme.pl line 4.
Name "main::paketlimiti" used only once: possible typo at deneme.pl line 4 (#2)
    (W once) Typographical errors often show up as unique variable names.
    If you had a good reason for having a unique name, then just mention it
    again somehow to suppress the message.  The our declaration is
    provided for this purpose.
   
    NOTE: This warning detects symbols that have been used only once so $c, @c,
    %c, *c, &c, sub c{}, c(), and c (the filehandle or format) are considered
    the same; if a program uses $c only once but also uses any of the others it
    will not trigger this warning.

Argument "trafiklimiti" isn't numeric in numeric gt (>) at deneme.pl line 23, <$fh> line 1.
Argument "trafiklimiti" isn't numeric in numeric gt (>) at deneme.pl line 23,
      <$fh> line 1 (#3)
    (W numeric) The indicated string was fed as an argument to an operator
    that expected a numeric value instead.  If you're fortunate the message
    will identify which operator was so unfortunate.



Did you mean to say
     if ($size >  $paketlimiti) {

yes    if ($size >  $paketlimiti) { this part is not wroking correctly check the output

trafik limiti asildi  8>10
178.20.228.75 8mbps
1387668213 178.20.228.75 8 mbps
trafik limiti asildi  8>10
95.7.67.146 8mbps
1387668214 95.7.67.146 8 mbps
trafik limiti asildi  41>10
185.9.156.83 41mbps

#use strict;
use warnings;

my $paketlimiti = 2500;
my $trafiklimiti = 10;

open(my $fh, '-|', 'sflowtool -4 -p 3601  | /scripts/DoSTargets') or die $!;
while (my $line = <$fh>) {

#print ((split(/ /, $line))[1],"\n");


my $ip  = (split(/ /, $line))[1];
my $size = (split(/ /, $line))[2] + 0;
my $reason = substr((split(/ /, $line))[3],0,-1);


if ($reason eq 'mbps' ) {
        if ($size >  paketlimiti){
                print "trafik limiti asildi  " .$size.">".$trafiklimiti."  \n";
        }else{
                print "trafik limiti asildi  " .$size."<".$trafiklimiti."  \n";
        }
}else{
        if ($size >  trafiklimiti) {
                print "paket limiti asildi \n";
        }
}

print $ip." ".$size.$reason."\n";
print $line;
}

close $fh;

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that worked but why my variable not acting like a numeric value ;

  
 if ($size >  10){
                print  $size2." trafik limiti asildi  " .$size.">".$trafiklimiti."  \n";
        }else{
                print $size2." trafik limiti asildi  " .$size."<".$trafiklimiti."  \n";
        }

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If you mean $size, what was its value?

thanks