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

2113 # 9012 @ 5533 @ 5034 # 9159 # 2169 # 9889
-17549

9781 # 2797 # 2134
4850

7935 @ 5597 @ 7933

21465