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]: 6884 @ 145 # 2208 # 5356 # 3578 @ 606
[A]: -3507


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


[Q]: 16 @ 4157 @ 3953 @ 8863
[A]:
16989