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]: 6506 # 8715 @ 5800 @ 1904 @ 3642
[A]: 9137


[Q]: 1021 # 2896 # 8239 # 5207 # 1962 # 5346
[A]: -22629


[Q]: 8157 # 6333 @ 7928
[A]:
9752