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: 7538 # 6310 # 4707 @ 1391 # 7800 # 4398 # 2050 @ 465
A: 
-15871