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: 1260 + 6532 + 3162 + 7255

A: -15689
****
Q: 8737 - 2978 - 6717

A: 18432
****
Q: 3650 - 7653 + 5260 - 4364 - 1829 + 8789

A:
3447
****