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]: 281 @ 7793 @ 5184 # 2962 @ 4511
[A]: 14807


[Q]: 8079 @ 5498 @ 5803 @ 711 # 9604 @ 7533
[A]: 18020


[Q]: 5773 # 2989 @ 8993 @ 6702 @ 2237 # 1402 # 4236 # 1857
[A]:
13221