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]: 6628 @ 7709 @ 528 @ 8813
[A]: 23678


[Q]: 1482 # 6461 @ 804 # 8626 # 8564
[A]: -21365


[Q]: 7733 @ 3783 @ 5879 @ 8905 # 5520 @ 4045 # 8342
[A]:
16483