using System;
using System.Collections.Generic;
using System.Text;

public class Program
{
   
    public void Proc(){
        Console.WriteLine("Hello World!");
        
    }
    public static void Main(string[] args)
    {
        Program prg = new Program();
        prg.Proc();
    }
}

class Reader
{
    public static bool IsDebug = true;
    
    private static System.IO.StringReader sr;
    
    public static string ReadLine() {
        if(IsDebug) {
            if(sr == null) {
                sr = new System.IO.StringReader(initStr.Trim());
            }
            return sr.ReadLine();
        } else {
            return Console.ReadLine();
        }
    }
    
    private static string initStr = @"


______/_XXXX_/_X_gX_/_X_XX_/_X_XX_/sX____

    ";
}