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]: 519 @ 9686 @ 3145 # 9320
[A]: 4030


[Q]: 9879 # 8585 @ 4078 # 6210 @ 7239 @ 3002 # 2455 @ 9817
[A]: 16765


[Q]: 533 @ 2145 @ 802 @ 3091 @ 1441 # 8325
[A]:
-313