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.

9964 + 5009 - 6772 + 8761 + 2075 + 6292 + 4157 + 5194
-14752

5398 + 4622 - 3983 - 2396 + 2403 - 2514
7266

1508 - 4488 + 3048 - 3213 - 7416 - 4053 + 8489

9141