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]: 2416 @ 4557 @ 9089 @ 8858
[A]: 24920


[Q]: 9281 @ 3667 @ 8036 # 9647 # 8112 @ 4479 @ 2399 @ 2222 # 9687
[A]:
2638


