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]: 9930 # 7864 @ 6797 # 6092 @ 1146 @ 1388 # 8545 # 9163
[A]: -12403


[Q]: 4558 @ 6469 @ 1154
[A]: 12181


[Q]: 892 # 1232 # 7128 # 1865 @ 5717 # 34 # 5752 @ 2848 @ 9353
[A]:
2799