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.

8513 - 7119 - 47
15679

5945 + 1046 + 9187 + 929
-5217

8097 - 6134 + 5464 - 5672 + 1707

12732