#!/usr/bin/perl 

use strict;
use warnings;
use Text::GenderFromName;
use 5.10.0;

my ($male, $female, $unknown) = (0, 0, 0);

while (my $name = <STDIN>) {
  chomp $name;
  my $gender = gender($name);
  if (! defined $gender) {
    $unknown++;
    next;
  }

  if ($gender eq 'm') {
    $male++;
  } elsif ($gender eq 'f') {
    $female++;
  }
}

say "male: $male, female: $female, unknown: $unknown";