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: 9879 # 8585 @ 4078 # 6210 @ 7239 @ 3002 # 2455 @ 9817
Example Output: 16765

Example Input: 4101 @ 5888 # 877 # 7900 # 6062 @ 6246
Example Output: 1396

Example Input: 6911 @ 7737 # 8272 @ 2465 @ 7928 # 2617
Example Output:
14152

