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]: 4089 @ 276 @ 7408 # 9945 @ 4656
[A]: 6484


[Q]: 580 @ 9980 # 4059 # 4694 @ 8096 # 3324
[A]: 6579


[Q]: 7750 @ 8643 @ 1880 # 5287 # 5258 # 8835
[A]:
-1107