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: 2671 + 3943 - 5777 + 7680

A: -3175
****
Q: 1860 - 6675 + 8615 + 485 + 6302 - 3385 + 1568

A: -5050
****
Q: 712 - 5691 + 3397 - 8217 + 4762 - 2776 - 1233

A:
10470
****