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.
Q: 5202 - 4620 + 9842 + 1661 - 5495 - 271 - 1539
A: 
5624