User-agent: Yandex
Disallow: /Admin.aspx
Disallow: /links.html
Disallow: /backlinks.html
Disallow: /*/screen/*
Disallow: /feed/*
Allow: /

User-Agent: Googlebot
Disallow: /Admin.aspx
Disallow: /links.html
Disallow: /backlinks.html
Disallow: /*/screen/*
Disallow: /feed/*
Allow: /