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: 6844 - 1807 - 1809 + 4406 - 1450 - 5252 + 2685

A: 10071
****
Q: 5918 - 3034 + 2234 + 3244 - 9987 + 4087 + 1781 - 786 + 94

A:
8285
****