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: 3881 + 3747 + 6493 - 7538

SOLUTION: 1179

PROBLEM: 7371 - 9025 + 8352 - 9201 - 9297 - 3561 + 8576

SOLUTION: 21527

PROBLEM: 2144 - 4158 + 4207

SOLUTION:
2095