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: 5075 - 9437 + 1942 + 1886 - 5070 + 1683 - 7663 - 36
A: 
21770