<?php

$handle = fopen ("php://stdin","r");
fscanf($handle,"%d",$n);
$types_temp = fgets($handle);
$types = explode(" ",$types_temp);
array_walk($types,'intval');
// your code goes here

$result = array();
foreach ($types as $type) {
    if (isset($result[$type])) {
        $result[$type] = $result[$type] + 1;
    } else {
        $result[$type] = 1;
    }
}
$max = max($result);
$res = [];
foreach($result as $k => $v) {
    if ($v == $max) {
        $res[] = $k;
    }
}
echo min($res);