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.

146 - 5209 + 892
4463

8338 + 7035 - 2067 - 1210 + 9433 + 1604
-6457

7876 + 1129 - 538

7285