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.

1471 + 6113 + 3177 - 2507 - 2358 + 6654
-9608

7272 + 8958 - 7231 + 6616
-1071

1831 + 2576 - 4079 + 1814

1520