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]: 4400 @ 9261 @ 3016
[A]: 16677


[Q]: 120 # 2644 @ 4589
[A]: 2065


[Q]: 2357 @ 1249 # 6447
[A]:
-2841