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]: 9835 @ 3285 # 8713 # 3066
[A]: 1341


[Q]: 2795 @ 7457 # 9974 @ 3030 # 8060
[A]:
-4752