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

5474 @ 2497 @ 6991 @ 302 # 1963 # 6932 # 5953 # 4859
-4443

5860 @ 3039 # 7874 # 3584 # 144
-2703

6809 # 1630 # 6008 # 5102 @ 9905

3974

