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

7252 # 8553 # 4853 @ 6748 # 3750
-3156

2994 # 4380 @ 6720
5334

2609 # 7856 # 376 @ 858 @ 4701 # 9241 # 8450

-17755