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: 7579 @ 2801 # 7154 @ 4185 # 825 @ 4256 @ 9614
Example Output: 20456

Example Input: 2020 @ 862 # 5780
Example Output: -2898

Example Input: 6878 # 1718 # 4358 @ 3586 @ 9771 # 1797 @ 7903 # 5943
Example Output:
14322