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]: 1559 # 9981 # 6881
[A]: -15303


[Q]: 2653 @ 9718 # 3237 @ 2973 # 6895 # 18
[A]: 5194


[Q]: 2656 @ 7901 @ 7760 @ 5393 @ 606
[A]:
24316