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:
4397 - 3478 - 9837 - 7164 + 7972 + 3676
answer:
13228


question:
2036 + 7313 - 8908 - 1870 - 5159 + 5945 + 5006 + 635 + 5551
answer:
-6477


question:
9516 + 8476 - 7608
answer:

8648