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]: 4844 # 1525 @ 1894 # 2506
[A]: 2707


[Q]: 573 # 2172 @ 3067 @ 6526 # 4690
[A]:
3304