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]: 5631 # 7224 @ 9746 # 8532 @ 8996 # 3971 # 8538 @ 5270 # 9789
[A]: -8411


[Q]: 7165 @ 3630 @ 9021 # 4140 @ 319
[A]: 15995


[Q]: 6146 @ 4423 @ 133 # 3532 @ 9553 # 4978 @ 4013 # 6762
[A]:
8996