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

8780 # 5826 # 420 @ 8814 @ 5786 # 1725
15409

6348 # 2614 @ 3559 @ 9670 # 1137 # 9684
6142

7066 @ 5055 # 7545

4576