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.

8398 - 1163 + 8396 + 4440 + 9289
-12564

6927 - 2357 + 8911 - 4674 - 2728 + 9726 - 1304 - 3277
2630

7131 + 2936 + 8748 - 8155

3602