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: 6439 - 6685 + 6156 - 3314 + 6845 - 6872

A: 10309
****
Q: 7053 - 797 + 1011 - 43 - 2798 - 1572 - 4498

A: 15750
****
Q: 2537 + 727 - 7580 + 7088 + 180 - 5663 - 3929 - 8579 - 3827

A:
24120
****