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

497 # 7667 # 405 # 5403 @ 8444 @ 5031 # 1411 # 2392
-3306

1744 @ 4800 # 4688 @ 2637 # 1656 # 4459 # 9618 @ 4120
-7120

7551 @ 6806 @ 2643 @ 8400 @ 2553 # 9672 @ 9061 # 8095

19247