using System;

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        Fibo();

    }

​

    public static void Fibo()

    {

        int a = 0;

        int b = 1;

        int result = a + b;

        Console.WriteLine(result);

        while (result < 100)

        {

            Console.WriteLine(result);

            a = b;

            b = result;

            result = a + b;

        }

    }

}