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.

6368 + 9565 - 7042 - 1940 - 9960
15745

5539 + 616 - 1640 - 7665 - 8787 - 5104 + 8431 + 9502
10186

180 + 8375 + 3694 + 2127 - 6067

-7949