10	alpha
30	bravo
60	charlie
100	delta
500	echo
600	foxtrot
4	golf
22	hotel
900	igloo
800	juliet
999	kilo

##</code><code>##

#!/usr/bin/perl
use warnings;
use strict;

#open and read, the file
my $file = shift @ARGV;
open (FILE1, "<", $file) or die "Can't open '$file': $!";
	
while (<FILE1>) 
{
chomp $_;
my($perfNum,$alphaVal) = split("\t", $_);
#print "$perfNum\n";
		
my$gt600ms=0;
if($perfNum > 600)
  {
  $gt600ms++;
  print "$gt600ms\n";
  }
}
close (FILE1);