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]: 8782 @ 1837 # 6954
[A]: 3665


[Q]: 949 # 7081 @ 1990 # 1100 @ 2043 @ 4335 @ 1664 # 936 # 4250
[A]:
-2386