【WEBサイト開発入門】STORK19のトップページ(ビッグ)の一覧にAdsense広告を表示させる

<?php if (have_posts()) :?>
<div class="archives-list big-list cf">
	
<?php $count=0 ?>
<?php while (have_posts()) : the_post(); ?>
<?php $count++ ?>
<?php if ($count == 3): ?>
Adsenseの広告コードを貼り付ける
<?php endif; ?>

<h1 class="entry-title single-title<?php echo stk_post_newmark();?>" itemprop="headline" rel="bookmark"><a href="<?php the_permalink() ?>" rel="bookmark" title="<?php the_title_attribute(); ?>"><?php the_title(); ?></a></h1>
<?php echo stk_archives_post_meta('big'); ?>

<?php if ( has_post_thumbnail() ) :?>
<figure class="eyecatch">
<a href="<?php the_permalink() ?>" rel="bookmark" title="<?php the_title_attribute(); ?>">
<?php
	the_post_thumbnail();
	 if($pt_caption = get_post(get_post_thumbnail_id())->post_excerpt) {//caption
		 echo '<figcaption class="eyecatch-caption-text">'.$pt_caption.'</figcaption>';
	 }
?>
</a>
</figure>
<?php endif; ?>
</header>

<section class="entry-content cf">
<?php echo stk_archives_description(); ?>
<div class="btn-wrap simple"><a href="<?php the_permalink() ?>" rel="bookmark" title="<?php the_title_attribute(); ?>">続きを読む</a></div>
</section>
</article>
<?php endwhile; ?>
</div>

<?php 
	elseif(is_search()):
		echo stk_archives_notfound();
	else :
	endif;
?>