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: 1510 + 8779 + 5742 - 9951 - 2155

A: -905
****
Q: 2367 + 2751 + 138 + 6347 + 5297

A: -12166
****
Q: 8681 + 8273 + 3574

A:
-3166
****