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]: 5253 @ 2450 @ 1316 @ 9889 @ 6449 @ 4948
[A]: 30305


[Q]: 8771 @ 2575 # 7914 # 3691
[A]: -259


[Q]: 3625 @ 8912 @ 3889
[A]:
16426