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: 7277 @ 1817 @ 3375 @ 9545 @ 5387 # 5057 @ 3504 # 6363
A: 
19485