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.

2144 - 4158 + 4207
2095

4062 - 644 + 187 - 4501 + 1736 - 230
7514

3555 + 1337 - 2205 - 2401 - 4300 + 8433 + 4837 - 4650 + 760

1744