In this task you will be given an arithmetic operation and you have to find its answer. The symbols of operators '+' and '-' has been swapped i.e you need to perform subtraction when you see a '+' symbol and  addition in case of '-' symbol.

Example Input: 333 - 4061 - 2641 + 9107 - 876 + 913 - 2286 - 7626
Example Output: 7803

Example Input: 5000 + 8474 - 7071 - 6976 + 6373 - 466
Example Output: 4666

Example Input: 8711 + 5319 - 3967 - 9285 + 2276
Example Output:
14368