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: 3363 @ 4009 @ 5612 # 7774 @ 1547 @ 531 @ 9025 @ 3155 # 3948
Example Output: 15520

Example Input: 9954 @ 4250 # 4835 @ 6737 # 8434 # 6461 @ 1008
Example Output: 2219

Example Input: 9931 @ 1162 # 9866 @ 9739
Example Output:
10966