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]: 8161 @ 9287 # 6233
[A]: 11215


[Q]: 6050 # 5266 # 3005
[A]: -2221


[Q]: 6903 # 7402 # 6247 # 209 # 8832 # 3543 @ 8614 # 9239
[A]:
-19955