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.

Q: 8155 + 6800 - 6839 - 8047 + 3270

A: 12971
****
Q: 2837 + 8737 + 9015 - 7647 - 1903 - 3427 - 2034 - 3680 - 8565

A: 12341
****
Q: 2088 + 3514 - 9030 + 9964 - 4877 + 8220 - 1284 - 1547

A:
-2872
****