I have to make test with selenium-webdriver

I know nothing about selenium webdriver but i have to test something with it and i need your help. My task:

1-) It has to login with facebook account and it has to go http://www.n11.com 2-) In that website, open login screen and be login. 3-)In that website, write "samsung" to search area and click search button 4-)It has to confirm that found any result in coming page.

My English is really bad, i am sorry. Maybe you could understand me.