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


[Q]: 6467 # 8145 # 9388 # 9232
[A]: -20298


[Q]: 8419 @ 6686 # 5350
[A]:
9755