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:
1229 - 4354 + 912 - 1766
answer:
6437


question:
2605 - 3453 + 5543 + 2400 + 8799 + 3298 + 4981 + 9739 - 178
answer:
-28524


question:
7424 - 6057 - 8031 - 4797 + 876 + 5296 - 9277
answer:

29414