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]: 5110 # 9803 @ 2485 # 1678
[A]: -3886


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


[Q]: 54 # 7164 # 2870 @ 6881 # 6740 @ 6935 # 5461
[A]:
-8365