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:
2969 - 5770 - 665 + 516 - 1172 + 4904 - 384
answer:
5540


question:
1420 - 1910 - 3500 + 9535 + 3807 - 5009 - 1271 - 3426
answer:
3194


question:
1861 - 2925 - 4944 + 232 + 6894
answer:

2604