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: 1510 + 8779 + 5742 - 9951 - 2155

A: -905
****
Q: 6881 + 1331 - 470 + 6067 - 9323

A: 9276
****
Q: 7255 - 3807 - 8098 - 2953 - 8611

A:
30724
****