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]: 2339 @ 2821 # 2234 @ 1271 @ 471
[A]: 4668


[Q]: 9039 @ 4996 @ 845 # 5409
[A]: 9471


[Q]: 3763 # 2491 @ 5859 @ 2431 # 815
[A]:
8747