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]: 826 # 6501 # 223 @ 9761 # 8863
[A]: -5000


[Q]: 7539 # 9710 # 800 # 5609
[A]: -8580


[Q]: 4811 @ 1843 @ 5389 # 9883 # 2849 # 8160
[A]:
-8849