instruction:
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.
question:
8213 + 7145 + 5203 - 2621 + 1654 - 1844
answer:
-1324


question:
1592 + 7031 - 1902 + 5922 - 1351 + 8340 - 2032
answer:
-14416


question:
3128 - 2651 + 5208 + 782 + 9455 + 7792 + 1518 - 8514
answer:

-10462