using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        string[] straws = new string[]{ "" , "" , "straw" };

        string[] dogs = new String[]{ "" , "" , "" , "" , "dog" };

        for( int i = 0 ; i <= 100 ; ++i )

        {

            Console.WriteLine( (i+1).ToString()  + straws[i%3] + dogs[i%5] );

        }

    }

}