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: 8988 + 9565 + 4047 - 1723 + 7160 - 8838 + 5611 + 7126

SOLUTION: -13960

PROBLEM: 5474 + 1234 - 4461 - 3865 + 7635 + 830 + 5965 - 7856 + 523

SOLUTION: 5469

PROBLEM: 2120 - 619 - 5795 + 1185 - 3551 - 8196 + 2955 + 1885 - 2148

SOLUTION:
16404