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:
2588 + 7474 + 7336 + 2767 - 1155 - 3435 - 6693
answer:
-3706


question:
2980 - 6793 - 1879 + 5728 - 4199
answer:
10123


question:
1150 - 4333 - 7868 - 1007 - 5305 - 109 - 7514 + 9679
answer:

17607