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.

7344 + 9206 + 3989 + 5648 - 7620
-3879

6817 + 2415 - 9368 - 2334
16104

7012 - 1456 + 9442 + 4967 - 7575 - 5527 - 4046

11207