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

Example Input: 2095 # 5428 @ 3055 @ 1752 @ 2919 # 3592 # 7407
Example Output: -6606

Example Input: 3140 # 7915 @ 2559 # 9684 @ 4182 # 683 @ 7754 @ 763 @ 4851
Example Output:
4967