#!/usr/bin/php
<?php
function ft_split($str)
{
    return array_filter(explode(" ", implode(" ", array_filter(explode("\t", $str), "strlen"))), "strlen");
}
function cmp($a, $b)
{
    $i = 0;
    $a = strtolower($a);
    $b = strtolower($b);
    if ($a == $b)
        return 0;
    while ($a[$i] && $a[$i] == $b[$i])
        $i++;
    $a = ord($a[$i]);
    $b = ord($b[$i]);
    if ($a >= 48 && $a <= 57)
        $a = $a + 1000;
    else if ($a < 97 || $a > 122)
        $a = $a + 10000;
    if ($b >= 48 && $b <= 57)
        $b = $b + 1000;
    else if ($b < 97 || $b > 122)
        $b = $b + 10000;
    return $a < $b ? -1 : 1;
}
$i = 1;
$array = array();
while ($i < $argc)
{
    $strs = ft_split($argv[$i]);
    foreach ($strs as $str)
        $array[] = $str;
    $i++;
}
usort($array, "cmp");
$i = 0;
$len = count($array);
while ($i < $len)
    echo $array[$i++]."\n";
?>