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: 5798 + 7484 + 9307 + 3033 - 7750 + 6782 + 2330 + 2957 - 714

A: -17631
****
Q: 4570 - 7992 + 9531

A:
3031
****