<image> In a deck of cards, there are 13 hearts and 13 spades. Each spade is worth 10 points, and each heart subtracts 10 points.

(1) Zhang Nan got 6 spades and 4 hearts. How many points did he get in total?
(2) Zhang Yan drew 14 cards and got -20 points. How many hearts and how many spades did he get?