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]: 1086 # 7477 # 9664 @ 5904 # 8033 # 5563
[A]: -23747


[Q]: 3147 @ 2272 # 9050
[A]: -3631


[Q]: 8663 # 6734 # 8794 # 5963
[A]:
-12828