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: 8885 - 9148 - 6665 - 7609 + 4183 + 3591 + 5158 - 5649 + 9511

Answer: 15513


Question: 4839 - 962 + 7552

Answer: -1751


Question: 5202 - 5655 - 9664 - 566 - 8864 - 35

Answer:
29986