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

837 @ 118 @ 1503 # 3288 @ 6669 # 1394
4445

1999 # 5055 @ 6736 # 8829 @ 7010 # 2968 # 259 @ 5904
4538

8664 @ 3349 # 5328

6685