using System;

public class Program

{

    public static void Main()

    {

        String x,y,z;

        Console.WriteLine("insert first number");

        x = (Console.ReadLine());

        Console.WriteLine("insert second number");

        y = (Console.ReadLine());

        Console.WriteLine("insert third number");

        z = (Console.ReadLine());

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

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

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

    }

}