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: 8997 @ 8611 # 604 @ 1810 # 1906 @ 5956

Answer: 22864


Question: 6039 @ 1273 # 2162 # 5061 @ 5087 @ 4703

Answer: 9879


Question: 7961 # 5474 @ 4234 # 4358 # 7627 # 2291 # 9771 @ 9867 # 813

Answer:
-8272