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]: 4737 # 8536 @ 5633 # 1731 @ 3807 # 520 @ 1622
[A]: 5012


[Q]: 7769 @ 9568 @ 388 # 5101 # 8590 # 9063 # 5298 @ 7728
[A]: -2599


[Q]: 5175 # 6816 # 5376 @ 7691 @ 915 @ 1866 # 6217 @ 4088 # 3547
[A]:
-2221