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: 1837 - 6362 - 226

A: 8425
****
Q: 2909 + 1799 - 984 + 4910 + 3253 - 6846 - 8324 - 9048

A: 18149
****
Q: 6824 - 7254 - 4559

A:
18637
****