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]: 4839 # 9558 @ 1236 # 8758 # 3209
[A]: -15450


[Q]: 486 # 3873 # 1187
[A]: -4574


[Q]: 97 @ 4209 # 1642 # 3054 # 7714
[A]:
-8104