11. Oldest Family Member

<?php

class Person
{
    public $name;
    public $age;

    function __construct(string $name, int $age)
    {
        $this->name = $name;
        $this->age = $age;
    }
}

$inp = trim(intval(fgets(STDIN)));
$maxAgeValue = -1;
$maxAgeName = '';

for ($i = 0; $i < $inp; $i++) {
    $info = explode(" ", trim(fgets(STDIN)));
    $person = new Person($info[0], intval($info[1]));
    if ($person->age > $maxAgeValue) {
        $maxAgeValue = $person->age;
        $maxAgeName = $person->name;
    }
}

if (-1 < $maxAgeValue) {
    echo $maxAgeName . " " . $maxAgeValue;
}