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]: 4089 @ 276 @ 7408 # 9945 @ 4656
[A]: 6484


[Q]: 5191 # 7400 @ 7319 # 5932 @ 662 @ 1546
[A]: 1386


[Q]: 1466 @ 1468 @ 6617 @ 4205 # 7446 # 7878 # 101
[A]:
-1669