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: 2603 + 1868 - 4242

SOLUTION: 4977

PROBLEM: 2875 - 138 + 917 + 4037 - 6642

SOLUTION: 4701

PROBLEM: 8136 - 4098 + 869 + 7017 - 9516 - 2037 - 8330

SOLUTION:
24231