# ex_08-1
# Learning Perl on Win32 Systems, Exercise 8.1

sub card {
  my %card_map;
  @card_map{1..9} = qw(
		       one two three four five six seven eight nine
		      );
  
  my($num) = @_;
  if ($card_map{$num}) {
    $card_map{$num}; # return value
  } else {
    $num; # return value
  }
}

# driver routine:
while (<>) {
  chomp;
  print "card of $_ is ", &card($_), "\n";
}