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: 9616 - 8145 + 562 + 3160 - 8906 - 360 + 9291 + 7609 + 460
Example Output: 5945

Example Input: 321 - 4450 - 5504 - 9901 - 295 - 7018 - 1113 - 5299 - 2387
Example Output: 36288

Example Input: 6202 - 1055 - 6330 + 6264 + 751 - 8231
Example Output:
14803