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: 1123 - 8657 + 3476 - 5278 + 717 - 1557 + 6614 + 1549

A: 4259
****
Q: 4101 + 2536 - 502

A: 2067
****
Q: 7902 - 8518 - 4189 - 8877 + 2105 - 8578 - 1978 + 3285

A:
34652
****