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:
4101 + 2536 - 502
answer:
2067


question:
5474 + 1234 - 4461 - 3865 + 7635 + 830 + 5965 - 7856 + 523
answer:
5469


question:
3398 + 1842 - 5381 + 1948 + 437
answer:

4552