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

1737 # 3662 # 9496 @ 694
-10727

3462 @ 9743 @ 8298
21503

5080 # 299 @ 3905 @ 2547 # 6905 @ 8384 # 7884 # 9023 @ 7937

3742