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

4071 # 2406 @ 1349 @ 5528 @ 7426 @ 2448 # 1981 # 7844
8591

1162 @ 622 # 7209 @ 3448
-1977

3287 # 342 # 6718 # 3116 # 3583 # 2398

-12870