Advent of Code - Day 1: Secret Entrance

&#xA; &#xA; You arrive at the secret entrance to the North Pole base ready to start decorating. Unfortunately, the password seems to have been changed, so you can&rsquo;t get in. A document taped to the wall helpfully explains: &#xA; &ldquo;Due to new security protocols, the password is locked in the safe below. Please see the attached document for the new combination.&rdquo; &#xA; -- Day 1 -…