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: 524 @ 1123 # 5900 # 4128 # 1486 # 9545
Example Output: -19412

Example Input: 1718 # 2217 # 506
Example Output:
-1005