using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(CreateString(1));

        Console.WriteLine(CreateString(284));

    }

    public static string CreateString(int id)

    {

        var n = DateTime.Now;

        return "G" + n.Year.ToString().Substring(2,2) + n.Month.ToString().PadLeft(2,'0') + id.ToString().PadLeft(5,'0');

    }

}