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

3556 # 1722 @ 9362 # 7616 # 7893
-4313

6055 # 1440 # 3272 # 5643 @ 150 @ 7658 # 8655 @ 8463 # 8156
-4840

9100 @ 5645 # 7002

7743