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]: 1162 @ 622 # 7209 @ 3448
[A]: -1977


[Q]: 123 # 6452 # 5554 # 9261 @ 6646
[A]: -14498


[Q]: 8833 # 6864 # 2724 # 1706 @ 8617 @ 9386 # 7540
[A]:
8002