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: 3965 @ 4333 @ 603 @ 5429 @ 625 @ 4204 # 2456 # 4234
A: 
12469