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: 7272 + 8958 - 7231 + 6616

A: -1071
****
Q: 2862 - 964 + 1644

A: 2182
****
Q: 6509 - 4244 + 5044

A:
5709
****