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]: 4956 # 4259 # 3459
[A]: -2762


[Q]: 826 # 6501 # 223 @ 9761 # 8863
[A]: -5000


[Q]: 4110 # 9440 @ 557 @ 7868 # 6315 @ 2518 # 9049 @ 3905 @ 2052
[A]:
-3794