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]: 1059 # 7372 @ 4733 @ 9323 # 2108 @ 1244 @ 4077 # 7899 # 5842
[A]: -2785


[Q]: 4428 # 2569 @ 338 # 967 @ 2206
[A]: 3436


[Q]: 1907 # 4930 # 945 @ 5662 @ 9472 @ 8849 @ 8669
[A]:
28684