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:
1887 - 5213 + 516 - 4107 - 7681 - 125 - 1788 + 124 - 1460
answer:
21621


question:
4725 - 7780 + 1028 - 6858 + 9194 + 4680 - 3421 + 362 - 8573
answer:
16093


question:
2339 + 2821 - 2234 + 1271 + 471
answer:

10