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]: 2808 @ 9510 # 4684 @ 8160 # 7003 # 6631 # 9199 # 455
[A]: -7494


[Q]: 2678 # 5467 @ 8355 # 3124 # 5654
[A]: -3212


[Q]: 570 # 1093 # 233 @ 4666 # 1872
[A]:
2038