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

6557 @ 9368 # 307 @ 2982 # 8398 # 9241 # 4697 # 6790
-10526

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

4039 # 2314 # 8257 # 5828 @ 2387 @ 4250 @ 5479 # 991

-1235