using System;

public class Program

{

    public static void Main()

    {

        var one = "1-2-3-4-5";

        var two = "10-5-4-8";

        var three = "5-4-3-2-1";

        checkConsecutive(one);

        checkConsecutive(two);

        checkConsecutive(three);

    }

    public static void checkConsecutive(string input)

    {

        bool isConsecutive = true;

        var values = input.Split('-');

        int previous = 0;

        foreach(var v in values) {

            int parsed;

            int.TryParse(v, out parsed);

            if(parsed == 0){

                break;

            }

            if(previous == 0) {

                previous = parsed;

            }

            else{

                if(previous + 1 != parsed) {

                    isConsecutive = false;  

                    break;

                }

                else{

                    previous = parsed;

                }

            }

​

        }

        if(isConsecutive) {

            Console.WriteLine("Consecutive");

        }

        else{

            Console.WriteLine("Not Consecutive");   

        }

    }

}