using System;

public class Program

{

    public static void Main()

    {

        string x,y,z;

        Console.WriteLine("please insert first name:");

        x=(Console.ReadLine());

        Console.WriteLine("please insert second name:");

        y=(Console.ReadLine());

        Console.WriteLine("please insert third name:");

        z=(Console.ReadLine());

        Console.WriteLine("{0}", x);

        Console.WriteLine("{0} {1}", y,y);

        Console.WriteLine("{0} {1} {2}", z,z,z);

    }

}