show two selected posts in blog home

two_selected_posts_in_blog_home.php

add_action('pre_get_posts', 'show_two_selected_posts_in_home_blog');
function show_two_selected_posts_in_home_blog($query){
    if ( ! is_admin() && $query -> is_main_query() && is_home() && 'posts' == get_option('show_on_front') ){
        $query->set('post__in', array(183, 94) ); //put your post IDs in that array
        $query->set('ignore_sticky_posts', 1 ); //don't show sticky posts
    }
}