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: 155 + 7497 + 4675 - 2329 - 9080 - 5510 - 2336 + 8701

SOLUTION: -1463

PROBLEM: 3097 + 17 - 8842 + 4949 + 8377 + 425 - 7128 + 6500

SOLUTION: -1201

PROBLEM: 5134 - 3283 - 9738 + 4789 - 3931 + 416

SOLUTION:
16881