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]: 1721 # 7193 # 7392 # 8999 # 7847 @ 5571 @ 4439 @ 7158 # 6030
[A]: -18572


[Q]: 6607 @ 8561 @ 5571 # 6468 @ 8173 # 7134 @ 2102 # 7688
[A]: 9724


[Q]: 9593 # 940 # 9331 # 1180 # 3684
[A]:
-5542