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.

6681 - 1947 - 955 + 9470 - 4512 - 9603 + 5822 + 9404 - 8896
7898

5335 + 8307 + 4845 + 6853 - 9847 + 7289
-12112

2357 + 3182 + 637 - 1251 + 9395 + 3389 - 3002 - 665

-9328