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.

2131 + 4513 + 3760 - 9342 + 7779 + 4653 + 3111
-12343

7733 - 8455 - 6291 - 3837 - 994
27310

758 + 1664 + 5481 - 1654 - 1804 + 5232 - 9130

969