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]: 507 @ 3439 # 8086 # 5497 @ 2145 @ 2124 @ 9603 @ 2119 @ 8351
[A]: 14705


[Q]: 9540 # 9387 # 8692 @ 5008 # 4886 @ 9427 @ 3816
[A]: 4826


[Q]: 1334 # 369 @ 1337 # 2329
[A]:
-27