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]: 9776 # 6717 # 9329 @ 6055 # 8635 @ 6132 @ 3374
[A]: 656


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


[Q]: 2458 @ 7716 @ 9068 # 4985 @ 3986
[A]:
18243