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.

2045 - 2088 - 8387 + 5185 + 2275 - 1337 - 2494 - 1644 + 9737
798

3586 - 8301 + 9044 + 6100 - 8837 + 8230 + 7670 - 8406
-1914

4293 + 6570 - 947 - 2396 - 729 - 8114 + 2372 - 910

8447