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

2404 @ 4359 # 5006 # 2796 # 6139
-7178

2285 @ 1970 @ 4720
8975

358 # 9668 # 7634 # 9320

-26264