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:
1137 - 2413 - 5470 - 9797 + 2566
answer:
16251


question:
6355 - 3589 + 7310 - 5161 + 9803
answer:
-2008


question:
6068 - 382 - 8517 - 5433 - 1469 + 6557 - 590 + 8410 + 5359
answer:

2133