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

6884 @ 145 # 2208 # 5356 # 3578 @ 606
-3507

523 # 5860 # 778
-6115

7423 # 5224 @ 7539 # 7076 # 3541

-879