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: 1439 @ 4809 @ 6755 # 4840 @ 491 @ 9049 @ 8905 @ 8915
Example Output: 35523

Example Input: 8324 # 6868 # 6537
Example Output: -5081

Example Input: 3992 @ 5587 # 6167 # 1905 @ 2526 # 6655
Example Output:
-2622