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: 1040 # 6682 @ 4286 # 1132 # 705 @ 4048 # 9240
Example Output: -8385

Example Input: 3164 # 160 @ 1567 # 8453 # 9293 @ 9371
Example Output: -3804

Example Input: 8943 # 7006 # 1831 # 9265 @ 3377
Example Output:
-5782

