Code for creating three vertical columns in WordPress Bootstrap theme

<?php if (have_posts()){ ?>
    <?php while(have_posts()){ 
        the_post();
        if(is_sticky()){ ?>
            <div class="col-sm-4">
                <?php //put what you want, Hey you inside the loop now ?>
            </div>
        <?php }else{
                  $mythemename_post_format = get_post_format();
                  get_template_part('templates/post', $mythemename_post_format);
              }
    } ?>