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

[EX Q]: 8717 @ 6135 # 2706
[EX A]: 12146

[EX Q]: 2989 # 6833 # 4298 @ 8863 # 8408
[EX A]: -7687

[EX Q]: 6704 # 285 # 2983 # 1126 @ 648 # 9227 @ 7871 @ 4934
[EX A]:
6536