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

2996 @ 6178 @ 7214 # 172 # 3711
12505

3462 @ 9743 @ 8298
21503

8897 @ 4670 @ 7946 @ 5627 # 9577 @ 5484 # 1953 @ 6315

27409

