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]: 2020 @ 862 # 5780
[A]: -2898


[Q]: 8571 # 5985 @ 8912
[A]: 11498


[Q]: 9204 @ 1507 # 9223 @ 6363 @ 3577 @ 9856 @ 1994 @ 5485
[A]:
28763