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.

3709 + 206 - 4363 + 3129 + 2506
2231

8576 - 8960 - 1317 + 5701 + 5413 - 1195 + 135
8799

4983 - 7352 + 2806 - 2536 - 4269

16334