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

SOLUTION: 13228

PROBLEM: 496 + 5072 + 6259 + 1493 + 4824 + 2052 + 4751 - 8038

SOLUTION: -15917

PROBLEM: 7588 - 6187 + 9311 + 1522 + 8870

SOLUTION:
-5928