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]: 6203 # 8978 # 1139 @ 240 # 4716
[A]: -8390


[Q]: 6267 @ 3545 @ 4904 @ 4580
[A]: 19296


[Q]: 8766 # 7175 # 8594 # 5704 # 3511 # 9880 # 7878
[A]:
-33976