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:
2759 - 7972 - 7615 + 151
answer:
18195


question:
136 - 3238 + 3781 - 6552 - 4884 + 5366 - 657
answer:
6320


question:
1922 - 9421 + 6061 - 6170 + 6883 - 9453
answer:

14022