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]: 9879 # 8585 @ 4078 # 6210 @ 7239 @ 3002 # 2455 @ 9817
[A]: 16765


[Q]: 8137 @ 5006 # 7743 @ 1478
[A]: 6878


[Q]: 3823 @ 1698 # 6519 # 7636 # 6170 @ 2056 @ 5569 # 8840 @ 5943
[A]:
-10076