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


[Q]: 6557 @ 9368 # 307 @ 2982 # 8398 # 9241 # 4697 # 6790
[A]: -10526


[Q]: 2500 @ 3268 # 574 @ 5695 # 2143 @ 404 # 196
[A]:
8954