claim message

I have received a message from +923440480921 (your mobile number has won you 500,000 GBP pounds in 2014 shell in,t mobile draw in London,to claim your prize send your details to:ukdcm@live.com) I have not know it,s true or false.
It,s true then please confirm me and false then action it.
My cell number is +923333026488 is it true or not plz tell..