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.

4195 + 6940 - 1053 - 4433 + 1540
1201

812 + 6106 - 2904 + 7738 + 7655 - 6987
-10796

1614 - 4521 + 7508 - 7726 + 6176 + 8975 - 693

-8105