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]: 1278 @ 4628 @ 2357 @ 3694 @ 5775 @ 8542 # 793
[A]: 25481


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


[Q]: 6523 # 989 @ 4344 # 6154 # 679 # 9453 # 6938
[A]:
-13346