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]: 463 @ 7844 # 9816
[A]: -1509


[Q]: 995 @ 6856 @ 867 # 7415 # 9581
[A]: -8278


[Q]: 8201 # 6548 # 1633 # 1389 @ 8508 @ 3582
[A]:
10721