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: 8045 @ 7755 # 7077 # 209 @ 8324 @ 9768 # 6169 @ 4387
Example Output: 24824

Example Input: 9720 @ 6485 @ 1745 @ 728
Example Output: 18678

Example Input: 3541 @ 4829 # 9095 @ 7228 # 5737 # 6908 # 3266 # 9135
Example Output:
-18543