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

486 # 3873 # 1187
-4574

8643 @ 7199 @ 504 # 8068 # 8187 # 1584 @ 6422
4929

7101 # 9535 # 419 # 4078 # 6838 # 3289 @ 4693

-12365