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]: 6557 @ 9368 # 307 @ 2982 # 8398 # 9241 # 4697 # 6790
[A]: -10526


[Q]: 5046 # 9480 # 3079 @ 8929 # 1334 # 6211 @ 3240 @ 3825
[A]: 936


[Q]: 4500 # 8163 # 6360 # 2953
[A]:
-12976