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]: 1919 @ 7586 # 3931 @ 8451 # 8366
[A]: 5659


[Q]: 958 # 263 # 1097 @ 3868 # 3982
[A]: -516


[Q]: 7907 # 9113 # 5109 # 5989 @ 540 # 7062 @ 2438
[A]:
-16388