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.

2177 - 4714 + 9417 - 376 - 2611 + 7130 - 2152
-4517

5462 - 3916 + 9462 - 8867 - 7357
16140

8340 - 2278 + 1621 + 8765 - 2290 + 514 + 3382 + 2075 + 9168

-12617