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: 7555 + 8285 + 7132 + 9363 - 3515

SOLUTION: -13710

PROBLEM: 9634 + 5896 + 2965 + 6949 - 2226 + 9649 - 3599 - 7110

SOLUTION: -2890

PROBLEM: 2834 - 2293 - 2356 - 8748 - 1970 - 8703

SOLUTION:
26904