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]: 2853 @ 2447 @ 3565
[A]: 8865


[Q]: 7065 # 7713 # 7473 # 664 # 8030
[A]: -16815


[Q]: 4122 # 2747 @ 5582 # 9222
[A]:
-2265