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]: 3979 @ 8270 # 8338 @ 8460 # 4746 @ 5598 @ 1343 @ 9371 # 637
[A]: 23300


[Q]: 693 # 2562 @ 733 # 3913 @ 310
[A]: -4739


[Q]: 6489 @ 2715 @ 5009 @ 3784 # 6662 @ 1982 @ 4891
[A]:
18208