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: 2598 # 1930 @ 3599
Example Output: 4267

Example Input: 5010 # 2117 @ 6121 # 6244 @ 1089 @ 5871
Example Output: 9730

Example Input: 7627 # 406 @ 3301 @ 1678 @ 3273 @ 5383 @ 5538 # 8782 @ 2555
Example Output:
20167