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.

3254 - 200 + 4450 - 6393 - 2480 + 4564 + 9650
-6337

2432 + 588 - 6240 + 8670
-586

7151 + 1428 - 2102

7825