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

519 # 9471 # 7173 # 34 # 5123 @ 9104 # 2340 @ 7208 # 3693
-11003