User-agent: Mediapartners-Google*
Disallow: /adduser.php$
Disallow: /config.php$
Disallow: /usersa.php$
Disallow: /images
Disallow: /class

User-agent: Yandex
Disallow: /adduser.php$
Disallow: /config.php$
Disallow: /usersa.php$
Disallow: /images
Disallow: /class

User-agent: *
Disallow: /adduser.php$
Disallow: /config.php$
Disallow: /usersa.php$
Disallow: /images
Disallow: /class