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.

1834 - 2630 + 3119 - 3024 - 1805 + 5287 + 9826
-8939

4062 - 644 + 187 - 4501 + 1736 - 230
7514

1 + 6338 - 7657

1320