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]: 2821 @ 5327 # 3350 # 3607 @ 7010 @ 6824 # 9975 # 38
[A]: 5012


[Q]: 5177 @ 9496 # 845 @ 5246 @ 9906 @ 5654 @ 1721 @ 5303
[A]: 41658


[Q]: 4620 # 5169 # 5732
[A]:
-6281