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]: 5137 @ 4207 @ 1156
[A]: 10500


[Q]: 9012 @ 4688 # 2482 # 8827 # 2749 # 259 # 8385
[A]: -9002


[Q]: 6476 # 4111 @ 9968 # 1212 @ 4073 @ 7721
[A]:
22915