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.

6042 + 4328 - 5171 + 23 + 4485 + 8072 + 4298
-9993

7291 - 941 - 33 + 3812 + 4851 - 8716 - 6838 - 740
15896

9790 - 1759 + 266 + 2561

8722