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]: 9407 @ 4324 # 2220 # 8668 @ 1606 @ 4059
[A]: 8508


[Q]: 1855 # 9818 @ 3927 @ 9533 # 8557 @ 619 # 7543 # 2844
[A]: -12828


[Q]: 1980 @ 600 # 9239 @ 3045 @ 2759 @ 2773 @ 4832 @ 1228 @ 9142
[A]:
17120