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]: 2931 @ 2088 @ 4090 # 4838 # 6154 # 8570 @ 8518 @ 1737
[A]: -198


[Q]: 6775 @ 249 @ 1171 @ 3376 # 7127
[A]: 4444


[Q]: 99 @ 8029 # 7628 @ 9273 @ 4744 # 2216 @ 8585 @ 3844
[A]:
24730