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: 8678 @ 7424 # 7399 @ 4601 @ 9327 @ 7787 @ 2286
Example Output: 32704

Example Input: 9337 # 8816 @ 7801 @ 8011 @ 8821 @ 966 @ 1854
Example Output: 27974

Example Input: 2649 @ 581 @ 9180 # 8930 @ 7786 # 4115 # 4643 @ 1136
Example Output:
3644