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]: 4368 # 7312 @ 7468 # 4833 # 1476 # 42
[A]: -1827


[Q]: 5235 @ 3917 @ 4902 @ 3831 # 6517
[A]: 11368


[Q]: 3518 @ 6923 @ 1298
[A]:
11739