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: 1656 - 2355 + 4098 + 8586 + 7634 + 9427 + 9429
Example Output: -35163

Example Input: 8576 - 8960 - 1317 + 5701 + 5413 - 1195 + 135
Example Output: 8799

Example Input: 9059 - 631 - 3706 - 3557 - 7203 - 4570 + 9052 - 5640 - 5513
Example Output:
30827