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]: 1277 # 3822 @ 5064 @ 3615 # 7107 # 5691 @ 1554 # 6525 @ 714
[A]: -10921


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


[Q]: 1586 @ 3233 @ 855 # 8353 @ 9089 @ 6347 # 6880 # 6557 # 6279
[A]:
-6959