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: 1737 + 1422 + 9162 - 7244 + 6133
Example Output: -7736

Example Input: 6589 - 9791 + 4411 + 1562 - 9983
Example Output: 20390

Example Input: 4272 - 4641 - 4623 + 3814 + 827 - 2730 - 6739 - 8489
Example Output:
26853