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:
8901 - 4785 + 1969 + 5985 + 517 + 5651 + 170
answer:
-606


question:
4035 - 7636 + 5719 + 8287 + 9317 - 8218 + 4932 + 2275 - 9347
answer:
-1294


question:
1724 + 9133 + 2526 - 6781 + 5120
answer:

-8274