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.

171 - 966 + 1234 - 1722 - 4406 + 9773 - 1161
-2581

5292 + 3623 + 7450
-5781

7221 + 968 - 4557 - 3859 - 2371 - 4621 - 7926

29587