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

2495 @ 7683 @ 706 @ 5746 @ 7998 @ 5941
30569

8915 @ 8709 # 6716 @ 4326
15234

2637 # 6679 @ 1574 @ 5459 # 6082 # 9585 @ 4709 @ 1055 # 3728

-10640