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.

4148 + 9216 - 5756 - 5558 + 2801 - 7501 + 1939 + 3102 + 6894
-989

7270 + 4138 - 1696 - 5719 - 9735 + 2360
17922

9592 + 2626 + 2888 - 2890 + 3396 - 6541 - 250

10363