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: 9566 # 6244 @ 3039 # 947 # 6321 @ 7732
Example Output: 6825

Example Input: 2989 # 6833 # 4298 @ 8863 # 8408
Example Output: -7687

Example Input: 4856 @ 2573 @ 8849 # 5677
Example Output:
10601