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
Example: 6 @ 17
Example solution: 23
Example explanation: Here, '@' represents the addition operation. So, the answer is 23 (6+17=23).

Problem: 3700 @ 1153 # 6357 # 3997 @ 9761 @ 4880 # 1503 @ 3920 @ 2662

Solution: 14219