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: 1753 # 4314 @ 3538 # 7342 @ 6326 @ 6393 @ 136 @ 161 @ 4337
Example Output: 10988

Example Input: 4326 # 2636 @ 9431 # 1021 # 6603 # 2905 # 80 # 7174 # 3558
Example Output: -10220

Example Input: 1721 # 7193 # 7392 # 8999 # 7847 @ 5571 @ 4439 @ 7158 # 6030
Example Output:
-18572