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]: 9540 # 9387 # 8692 @ 5008 # 4886 @ 9427 @ 3816
[A]: 4826


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


[Q]: 5588 @ 1395 @ 934 @ 4740 # 4309 @ 1984 @ 5960 @ 6108
[A]:
22400