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: 5450 - 7077 + 4877

Answer: 7650


Question: 8671 + 9945 - 8465 - 5276 + 1447

Answer: 11020


Question: 1327 - 1531 + 8672 + 9221 - 8940 - 6142 - 8023

Answer:
8070