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: 4284 - 8233 + 2781 - 2769 - 5560 + 635 - 1706 + 1965 + 6794

A: 10377
****
Q: 8085 + 9109 - 9653

A: 8629
****
Q: 7640 + 3347 + 904

A:
3389
****