In this task you will be given an arithmetic operation and you have to find its answer. The operators '+' and '-' have been replaced with new symbols. Specifically, '+' has been replaced with the symbol '@' and '-' with the symbol '#'. You need to perform the operations in the given equation return the answer

4565 @ 7065 # 5397
6233

4681 # 7765 @ 9516 @ 4570 @ 2862
13864

1712 @ 9753 # 9279 # 8362 # 3385 @ 1609 # 4702 @ 3254

-9400