TASK DEFINITION: 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.
PROBLEM: 9493 + 2402 - 721 + 5448 + 2919

SOLUTION: -555

PROBLEM: 8967 + 529 - 1163 - 2651 + 7174 - 2929

SOLUTION: 8007

PROBLEM: 4397 - 3478 - 9837 - 7164 + 7972 + 3676

SOLUTION:
13228