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]: 8158 @ 1325 @ 395 # 4068 @ 4226 @ 7713 @ 8368 # 3297
[A]: 22820


[Q]: 9781 # 2797 # 2134
[A]: 4850


[Q]: 3504 # 9842 # 3599 # 2047 # 6019 # 6517 # 4896 @ 2766 @ 232
[A]:
-26418