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]: 427 # 7974 # 7564 @ 2404 # 4955 # 1239 # 1518 @ 906
[A]: -19513


[Q]: 1529 @ 8982 @ 3470 @ 7611 @ 9000
[A]: 30592


[Q]: 8883 @ 6393 # 8508 # 4965 @ 4990 # 9840 # 3273
[A]:
-6320