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: 8816 # 8770 # 5004

Answer: -4958


Question: 7021 # 2043 @ 7414 # 2632 @ 2939 @ 8718 @ 2731

Answer: 24148


Question: 7757 # 4475 @ 6447 # 2209 # 9966

Answer:
-2446