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.

9240 - 5321 + 7584 - 9605 + 9674 - 5556 + 6400
6064

5630 - 3377 + 9205 - 4071 + 9580 - 7049
1342

9506 + 9849 + 1558

-1901