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]: 3462 @ 9743 @ 8298
[A]: 21503


[Q]: 1516 # 4681 # 225 # 3393 @ 1212 @ 367
[A]: -5204


[Q]: 3916 @ 4044 @ 9537 @ 4495 # 4691 @ 4190 # 234
[A]:
21257