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]: 6312 @ 1446 # 1616 @ 6758 # 9137 @ 6041
[A]: 9804


[Q]: 5263 @ 8483 # 8668 @ 4802 # 7388 @ 2501 @ 3137 # 8399
[A]: -269


[Q]: 5355 @ 1451 # 3895 @ 6213 @ 743
[A]:
9867