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: 2348 - 6075 + 2149 - 1926 - 9532 - 9774 + 2760 - 6500 + 8335
Example Output: 22911

Example Input: 9488 + 7771 + 5889 + 9584 + 3302 - 1602 + 5806 - 8895 - 8030
Example Output: -4337

Example Input: 3484 - 5759 + 9959 - 5040 + 7564 - 2944
Example Output:
-296