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.

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

1953 - 3854 - 1362 + 6267 - 3664 - 901 + 7969 + 111
-2613

7266 - 2299 - 7480 + 5114 + 5787 - 6733 - 4627

17504