minecraft multiplayer any server i try dont work

i bought minecraft this day and when i downloaded the minecraft.exe i logged in everything normal i try singleplayer first and it all worked i uploaded skin and it was working than i got bored and went to multy player and i added some servers popular ones and it wont work when i wait a few minutes it says:
"Can't connect to server."when i clicked 'Join Server' i waited and it said: "java.net.ConnectException: Connection timed out: no further information"
i tried like that on many servers see the pictures below. and please help