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]: 7671 # 7716 @ 5899 @ 2520 # 497 # 24 # 16 # 840 # 9556
[A]: -2559


[Q]: 5569 # 5161 @ 9240 @ 391 @ 2756 # 7345 @ 4533
[A]: 9983


[Q]: 4681 # 7765 @ 9516 @ 4570 @ 2862
[A]:
13864