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

931 # 9775 @ 8414
-430

3249 @ 313 @ 7029 @ 5721 @ 7626
23938

8228 @ 9241 # 4912

12557

