Given the task definition and input, reply with output. 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

862 @ 3833 # 3090 @ 4208 @ 602 # 3614 # 4137 # 7475 @ 1987

-6824