Hey do you Know any good jokes?

a blonde walks up to a vending machine in a store, puts in $1.50, and gets a coke. then she puts in another $1.50 and gets another coke. then the blonde pulls out $3.00 and get two cokes. after four hours, the store clerk walks up to the blonde and asks, "What are you doing? You've been here for hours!" the blonde turned to the man and said, "I'm winning!"