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

6277 # 2029 # 4158 @ 5412 # 6845 # 6694 @ 5432
-2605

2989 # 6833 # 4298 @ 8863 # 8408
-7687

6824 @ 3762 # 4029 @ 9381 # 3112 # 4930 @ 5697 @ 3031 @ 2643

19267