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: 2495 @ 7683 @ 706 @ 5746 @ 7998 @ 5941
Example Output: 30569

Example Input: 7657 # 5758 # 9438 # 5082 @ 8107 # 8926 # 6524
Example Output:
-19964