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: 1569 @ 5170 @ 566 # 6012 @ 5001
Example Output: 6294

Example Input: 7272 @ 8958 # 7231 @ 6616
Example Output: 15615

Example Input: 9894 @ 8028 @ 4982
Example Output:
22904