In order to buy two $.39 stamps you would need $.78, since you only have $.76 you would need $.02 more.
So, no, you do not have enough to buy the stamps and would need to bum two additional cents from Bernie Sanders seeing how he's in a giving mood.
This is what's wrong with America, how can you have that many people in the restroom while a fight is happening and not one person intervenes. Down the drain is where this country is headed.