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]: 1446 @ 5354 # 6450 # 2821 @ 2258
[A]: -213


[Q]: 7738 # 1636 @ 7215 # 3503 @ 959 # 83 # 553 @ 6099 @ 7376
[A]:
23612