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

6506 # 8715 @ 5800 @ 1904 @ 3642
9137

9012 @ 4688 # 2482 # 8827 # 2749 # 259 # 8385
-9002

7620 @ 7116 @ 2945 @ 1387 # 7574 @ 6291 # 3257 # 6625

7903