Puppy potty training can help fix this problem as can puppy training and behavior training help you enjoy more your new friend.
There are many training hints and tips out there even for those dogs older dogs looking for that odd bit of obedience training.
So its in your and your furnitures best interest to train your puppy.
A well trained puppy will grow up into a happy, healthy dog, who will love you as long as you look after them properly and you and your dog will be happy.
Have a nice day
Ron