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


question:
1573 + 2934 + 9701
answer:
-11062


question:
6856 + 2877 - 1689 - 6895 + 9942 - 5432 + 5627 - 2670 + 3847
answer:

1249