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]: 6904 # 1007 @ 9690 @ 9967 @ 9620 @ 4765
[A]: 39939


[Q]: 1553 # 4323 # 5459
[A]:
-8229