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]: 9724 @ 7826 @ 3248 @ 3915 @ 249 @ 2455 @ 9673 # 9980
[A]: 27110


[Q]: 3393 # 1959 # 4338 # 8197 @ 3993 # 7625 # 7892
[A]: -22625


[Q]: 372 # 5391 # 6089 # 6729
[A]:
-17837