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: 4195 + 6940 - 1053 - 4433 + 1540

A: 1201
****
Q: 2010 + 6744 - 5577 - 1182 + 8811

A: -6786
****
Q: 6557 + 8163 + 1523

A:
-3129
****