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]: 2367 @ 4877 @ 8467 @ 5488 # 987 # 8899
[A]: 11313


[Q]: 3979 @ 8270 # 8338 @ 8460 # 4746 @ 5598 @ 1343 @ 9371 # 637
[A]: 23300


[Q]: 891 @ 1152 @ 6230 @ 9387 @ 841 # 8048 # 2468
[A]:
7985