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 Input: 730 @ 7585 # 9902 # 6809 @ 286 @ 9412 @ 9282 # 3941 # 4046
Example Output: 2597

Example Input: 5191 # 7400 @ 7319 # 5932 @ 662 @ 1546
Example Output: 1386

Example Input: 5634 # 8761 @ 9903 # 5180 @ 1443 # 9446 @ 1505
Example Output:
-4902