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+<title>Day 2 - Advent of Code 2017</title>
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+Oh, hello! Funny seeing you here.
+
+I appreciate your enthusiasm, but you aren't going to find much down here.
+There certainly aren't clues to any of the puzzles. The best surprises don't
+even appear in the source until you unlock them for real.
+
+Please be careful with automated requests; I'm not Google, and I can only take
+so much traffic. Please be considerate so that everyone gets to play.
+
+If you're curious about how Advent of Code works, it's running on some custom
+Perl code. Other than a few integrations (auth, analytics, ads, social media),
+I built the whole thing myself, including the design, animations, prose, and
+all of the puzzles.
+
+The puzzles probably took the longest; the easiest ones took an hour or two
+each, but the harder ones took 4-5 hours, and a few even longer than that. A
+lot of effort went into building this thing - I hope you're enjoying playing it
+as much as I enjoyed making it for you!
+
+If you'd like to hang out, I'm @ericwastl on Twitter.
+
+- Eric Wastl
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+-->
+<body>
+<header><div><h1 class="title-global"><a href="/">Advent of Code</a></h1><nav><ul><li><a href="/2017/about">[About]</a></li><li><a href="/2017/support">[AoC++]</a></li><li><a href="/2017/events">[Events]</a></li><li><a href="/2017/settings">[Settings]</a></li><li><a href="/2017/auth/logout">[Log Out]</a></li></ul></nav><div class="user">Neil Smith <span class="supporter">(AoC++)</span> <span class="star-count">4*</span></div></div><div><h1 class="title-event"> <span class="title-event-wrap">/^</span><a href="/2017">2017</a><span class="title-event-wrap">$/</span></h1><nav><ul><li><a href="/2017">[Calendar]</a></li><li><a href="/2017/leaderboard">[Leaderboard]</a></li><li><a href="/2017/stats">[Stats]</a></li><li><a href="/2017/sponsors">[Sponsors]</a></li></ul></nav></div></header>
+
+<div id="sidebar">
+<div id="sponsor"><div class="quiet">Our <a href="/2017/sponsors">sponsors</a> help make Advent of Code possible:</div><p><a href="http://smartystreets.com/aoc" target="_blank" onclick="if(ga)ga('send','event','sponsor','click',this.href);" rel="noopener">SmartyStreets</a> - U2VuZGluZyBDaH Jpc3RtYXMgY2Fy ZHMgdG8gYmFkIG FkZHJlc3Nlcz8K</p></div>
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+
+<main>
+<article class="day-desc"><h2>--- Day 2: Corruption Checksum ---</h2><p>As you walk through the door, a glowing humanoid shape yells in your direction. "You there! Your state appears to be idle. Come help us repair the corruption in this spreadsheet - if we take another millisecond, we'll have to display an hourglass cursor!"</p>
+<p>The spreadsheet consists of rows of apparently-random numbers. To make sure the recovery process is on the right track, they need you to calculate the spreadsheet's <em>checksum</em>. For each row, determine the difference between the largest value and the smallest value; the checksum is the sum of all of these differences.</p>
+<p>For example, given the following spreadsheet:</p>
+<pre><code>5 1 9 5
+7 5 3
+2 4 6 8</code></pre>
+<ul>
+<li>The first row's largest and smallest values are <code>9</code> and <code>1</code>, and their difference is <code>8</code>.</li>
+<li>The second row's largest and smallest values are <code>7</code> and <code>3</code>, and their difference is <code>4</code>.</li>
+<li>The third row's difference is <code>6</code>.</li>
+</ul>
+<p>In this example, the spreadsheet's checksum would be <code>8 + 4 + 6 = 18</code>.</p>
+<p><em>What is the checksum</em> for the spreadsheet in your puzzle input?</p>
+</article>
+<p>Your puzzle answer was <code>39126</code>.</p><article class="day-desc"><h2>--- Part Two ---</h2><p>"Great work; looks like we're on the right track after all. Here's a <em class="star">star</em> for your effort." However, the program seems a little worried. Can programs <em>be</em> worried?</p>
+<p>"Based on what we're seeing, it looks like all the User wanted is some information about the <em>evenly divisible values</em> in the spreadsheet. Unfortunately, none of us are equipped for that kind of calculation - most of us specialize in <span title="Bonus points if you solve this part using only bitwise operations.">bitwise operations</span>."</p>
+<p>It sounds like the goal is to find the only two numbers in each row where one evenly divides the other - that is, where the result of the division operation is a whole number. They would like you to find those numbers on each line, divide them, and add up each line's result.</p>
+<p>For example, given the following spreadsheet:</p>
+<pre><code>5 9 2 8
+9 4 7 3
+3 8 6 5</code></pre>
+<ul>
+<li>In the first row, the only two numbers that evenly divide are <code>8</code> and <code>2</code>; the result of this division is <code>4</code>.</li>
+<li>In the second row, the two numbers are <code>9</code> and <code>3</code>; the result is <code>3</code>.</li>
+<li>In the third row, the result is <code>2</code>.</li>
+</ul>
+<p>In this example, the sum of the results would be <code>4 + 3 + 2 = 9</code>.</p>
+<p>What is the <em>sum of each row's result</em> in your puzzle input?</p>
+</article>
+<p>Your puzzle answer was <code>258</code>.</p><p class="day-success">Both parts of this puzzle are complete! They provide two gold stars: **</p>
+<p>At this point, you should <a href="/2017">return to your advent calendar</a> and try another puzzle.</p>
+<p>If you still want to see it, you can <a href="2/input" target="_blank">get your puzzle input</a>.</p>
+<p>You can also <span class="share">[Share<span class="share-content">on
+ <a href="https://twitter.com/intent/tweet?text=I%27ve+completed+%22Corruption+Checksum%22+%2D+Day+2+%2D+Advent+of+Code+2017&url=http%3A%2F%2Fadventofcode%2Ecom%2F2017%2Fday%2F2&related=ericwastl&hashtags=AdventOfCode" target="_blank">Twitter</a>
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+></span>]</span> this puzzle.</p>
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