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]: 9049 # 6438 @ 8686 # 910 # 3586
[A]: 6801


[Q]: 4460 @ 9143 # 6720 # 8379 @ 1636 # 6526
[A]: -6386


[Q]: 515 # 9947 @ 89 # 9558 @ 741 # 3759 @ 2935
[A]:
-18984