<?php
// No. 490

$n =  trim(fgets(STDIN));
$ar = explode(" ", trim(fgets(STDIN)));
$count = count($ar);
$i_max = $n * 2 - 3;

for ($i = 0; $i < $i_max; $i++) {

  $p = 0;
  $q = $i;

  while ($p < $q) {
    if (($p < $n) && ($q < $n)) {
      if ($ar[$p] > $ar[$q]) {
        $tmp = $ar[$p];
        $ar[$p] = $ar[$q];
        $ar[$q] = $tmp;
      }
    }

    $p++;
    $q--;
  }
}

$result = "";
foreach ($ar as $key => $value) {
  $result = $result." ".$value;
}
echo trim($result).PHP_EOL;
return;