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:
2596 + 8164 - 6385 + 6704
answer:
-5887


question:
1785 - 7105 - 7217 - 2262 - 9687 - 8283 - 9761 - 7664
answer:
53764


question:
7516 + 3900 - 8444 - 7478 - 5643 + 1969
answer:

23212