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
--------
Question: 3556 # 1722 @ 9362 # 7616 # 7893

Answer: -4313


Question: 992 # 6304 @ 9489 # 6814 # 5448 @ 4565

Answer: -3520


Question: 4701 # 9147 # 4157 # 6644

Answer:
-15247