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.

9467 + 7102 - 1964
4329

8403 + 1868 + 5827 + 5471 - 3746 + 1027 - 5777
3733

1657 + 713 - 477 + 2626 - 1622 + 7378

-6961