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]: 1463 @ 3742 @ 6816 @ 2090 @ 7068 @ 283 # 5740 @ 4067
[A]: 19789


[Q]: 497 # 7667 # 405 # 5403 @ 8444 @ 5031 # 1411 # 2392
[A]: -3306


[Q]: 1625 @ 5920 @ 5488 @ 3372 @ 1354 @ 3816 # 3890 # 9036
[A]:
8649