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

452 # 5631 # 8307 # 1886 @ 4631 @ 1695 @ 4411 # 769
-5404

16 @ 4157 @ 3953 @ 8863
16989

197 # 2174 @ 1910

-67