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]: 7640 @ 3347 @ 904
[A]: 11891


[Q]: 7775 @ 8190 # 2579 @ 1003
[A]: 14389


[Q]: 6264 # 7637 # 9911 @ 602 @ 9671 @ 9406 @ 2189
[A]:
10584