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.

9910 + 9584 - 6394 - 5927
12647

4733 + 1935 - 5989 + 2634 - 6798 + 9853 + 9265 - 14 - 4165
-1988

1104 + 1499 - 8445 - 7513 - 6886 + 6021

16428