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

Example Input: 6844 - 1807 - 1809 + 4406 - 1450 - 5252 + 2685
Example Output: 10071

Example Input: 9545 - 2174 - 5469 + 4171 + 5384 - 4922 - 8477 + 6888 - 5416
Example Output:
19560