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: 5305 @ 2391 # 9339 # 8819 @ 2784 # 2103 # 4613 # 8856
A: 
-23250