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

8161 @ 9287 # 6233
11215

995 @ 6856 @ 867 # 7415 # 9581
-8278

8632 # 4596 # 5342 # 4723 @ 6104 # 265 # 8218 @ 3628

-4780