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: 7646 + 8509 - 4372 - 9840 - 6377 - 2924 + 869

A: 21781
****
Q: 573 - 2172 + 3067 + 6526 - 4690

A: -2158
****
Q: 1064 + 6546 + 1019 + 9288 + 3418 + 2590 + 2021 - 5102

A:
-18716
****