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.

2848 - 3478 + 9230 + 3585 + 8537 - 3821
-11205

9096 - 7913 + 7375 + 7790
1844

5935 - 7923 + 5968 - 4444 + 38 - 833 + 63

13066