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]: 3970 # 8486 # 9402 # 8030 @ 4724 @ 8858
[A]: -8366


[Q]: 8732 # 4760 @ 9372
[A]: 13344


[Q]: 1021 # 2896 # 8239 # 5207 # 1962 # 5346
[A]:
-22629