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

1559 @ 760 # 5027 # 8544 @ 4623 # 9238
-15867

3556 # 1722 @ 9362 # 7616 # 7893
-4313

2911 # 3283 # 8240 # 780 @ 4115 @ 1167 # 4924 @ 652 @ 264

-8118