using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

​

    static bool [] IsConsecutive(int[] a)

    {

        for (int i = 0; i < a.Length - 1; i++)

​

        {

            if (a[i + 1] != a[i])

            {

                return false;

            }

        }

        return true;

    }

}