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

826 # 6501 # 223 @ 9761 # 8863
-5000

549 @ 2405 # 8368 @ 806 @ 5639
1031

581 @ 1029 @ 9161 # 2378 # 46

8347