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

3438 # 3865 # 956 # 3020 @ 2696
-1707

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

9861 # 4687 # 976 @ 9300 @ 6131 @ 5957 @ 8513 @ 9400

43499