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]: 8050 # 8744 @ 5247 # 7761 # 8743
[A]: -11951


[Q]: 9776 # 6717 # 9329 @ 6055 # 8635 @ 6132 @ 3374
[A]: 656


[Q]: 4123 # 3743 # 220 # 8876 # 4930 @ 7303 @ 9562 @ 44
[A]:
3263