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: 9493 + 2402 - 721 + 5448 + 2919

A: -555
****
Q: 569 + 2078 + 2757 - 9211

A: 4945
****
Q: 2270 + 8749 + 5442 + 748

A:
-12669
****