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.

[EX Q]: 5450 - 7077 + 4877
[EX A]: 7650

[EX Q]: 1311 + 7420 + 9121 + 7525 - 8582 + 528 + 1094
[EX A]: -15795

[EX Q]: 9900 + 9463 + 3690 + 1616 - 5288
[EX A]:
419