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:
4226 - 3951 + 2613
answer:
5564


question:
2673 - 123 - 5121 + 7601 + 976 + 4369 - 4232
answer:
-797


question:
8430 - 8279 + 1375 - 2451 - 2904 - 4362 + 7100
answer:

17951