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

Q: 6884 @ 145 # 2208 # 5356 # 3578 @ 606

A: -3507
****
Q: 9318 @ 858 @ 9508 @ 5403 # 5141 @ 6503 @ 9412

A: 35861
****
Q: 4495 @ 1180 # 7554 # 4842

A:
-6721
****