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
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Question: 1569 # 724 @ 3737 @ 6220 # 1360 # 172 # 1027 # 3566 # 9663

Answer: -4986


Question: 2763 @ 869 # 8299

Answer: -4667


Question: 6454 # 3620 @ 8521 # 5169 # 4168 @ 7887

Answer:
9905