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.

2010 + 6744 - 5577 - 1182 + 8811
-6786

9748 + 7907 + 7494 - 2074 + 9313
-12892

2910 - 2292 - 6391 - 8514

20107