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: 8053 - 8275 + 3672 - 7233 + 8748 - 1270 - 6997 - 7566 + 5689

SOLUTION: 21285

PROBLEM: 6054 - 4121 + 5615

SOLUTION: 4560

PROBLEM: 7172 + 7720 - 6409 + 5535 + 3120 - 7071

SOLUTION:
4277