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]: 9161 # 6658 @ 4795 @ 5621 # 1895 # 3766 # 7738 # 570
[A]: -1050


[Q]: 8899 # 4509 # 9411 # 7373
[A]: -12394


[Q]: 640 # 2534 @ 8069 # 6819 @ 317 # 9009 @ 7022 @ 7116
[A]:
4802