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]: 463 @ 7844 # 9816
[A]: -1509


[Q]: 2027 # 965 # 9916 @ 7199 @ 844 @ 9780
[A]: 8969


[Q]: 8871 # 8198 @ 5511 @ 3860
[A]:
10044