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.

6820 - 387 + 8290 - 9203 - 9292 + 9249 - 3079
11242

1649 + 4642 + 613 - 7051 - 8575
12020

6203 - 8978 - 1139 + 240 - 4716

20796