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: 1887 - 5213 + 516 - 4107 - 7681 - 125 - 1788 + 124 - 1460

Answer: 21621


Question: 1471 - 7798 + 6514 + 8053 + 9926

Answer: -15224


Question: 4894 + 578 - 1092 - 3564 - 4750

Answer:
13722