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: 4565 @ 7065 # 5397
Example Output: 6233

Example Input: 6055 # 1440 # 3272 # 5643 @ 150 @ 7658 # 8655 @ 8463 # 8156
Example Output: -4840

Example Input: 1145 # 9371 # 1048 # 2600 # 5206
Example Output:
-17080

