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: 5321 - 5114 + 7476 + 1962

SOLUTION: 997

PROBLEM: 2269 + 7840 - 467 - 5626

SOLUTION: 522

PROBLEM: 7764 + 4681 - 7305 + 8498

SOLUTION:
1890