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

7152 @ 8957 # 8060 # 3668 # 8713 # 9420 # 3603
-17355

1262 # 4309 # 2911
-5958

4864 @ 2883 # 800 @ 6682 # 2788 @ 6377 # 4193

13025