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: 3055 - 3062 - 5311
Example Output: 11428

Example Input: 3083 - 4468 - 7941 + 7484 + 2789
Example Output: 5219

Example Input: 5088 - 9353 - 2772 + 3908 + 9196 + 4709
Example Output:
-600