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]: 9487 # 9520 @ 4047
[A]: 4014


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


[Q]: 3165 @ 8603 # 2566 @ 297 # 1914 @ 6781 @ 9085 @ 3950 @ 4261
[A]:
31662