using System;

namespace ConsoleApp7
{
    public class Program
    {
        public static void Main(string[] args)
        {
        Console.WriteLine("Enter numbers separate by hypen : ");
        var name = Console.ReadLine();
        var numarray = name.Split('-');
        int firstValue = Convert.ToInt32(numarray[0]);

        bool cons = true;
        for (var i = 0;i<numarray.Length;i++ )
        {
            if (Convert.ToInt32(numarray[i])-i != firstValue)
            {
                cons = false;                   
                break;
            }
        }
        if (cons)
        {
            Console.WriteLine("Consecutive");
        }
        else
        {
            Console.WriteLine("Not Consecutive");
        }
    }
}