Dora loves to travel, for many of its flights and transfers, she was able to see a lot of flowers and meadows. Now, the teacher decided to test the knowledge of Dora, in order to know that, is it really Dora be able to distinguish where and what flower to select only those flowers which are collected on a pile of more than three. Dora asks you, what would you show her what it cost to press flowers, and which are not.