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: 6492 - 3901 + 3666 + 9196 - 3917 - 133

A: 1581
****
Q: 9982 + 267 - 3418 + 8741 - 63 - 1771 + 4720

A: 1506
****
Q: 4458 - 323 - 420

A:
5201
****