using System;

public class Program

{

    public static void Main()

    {

        var count=0;

        for(var i= 1; i <= 100; i++)

        {

            if(count == 3)

            {

                Console.WriteLine("Hello");

                count++;

​

            }   

            else if(count == 5)

            {

                Console.WriteLine("Word");

                count = 0;

            }

            else

            {

                Console.WriteLine(i);

            }

        }

    }

}