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

872 @ 547 # 4476 @ 6631 # 8433 # 452 @ 5115
-196

7106 # 9524 # 2673 # 4668 @ 6755 # 5653 # 2688 # 9360
-20705

7829 # 5698 # 9776 # 8576 @ 8480

-7741