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

995 @ 6856 @ 867 # 7415 # 9581
-8278

9817 @ 5042 # 1724 @ 799 @ 685
14619

397 @ 1596 @ 6102 @ 2852 @ 1239 @ 3524 # 8019

7691