using System;

public class Program

{

    public static void Main()

    {using System;

public class Program

{

    public static void Main()

    {

        string a,b;

        Console.WriteLine("luka");

        a = Console.ReadLine();

        Console.WriteLine("mariamuli");

        b = Console.ReadLine();

        Console.WriteLine("lukamariamuli);

        Console.WriteLine(a + " " + b);

        Console.WriteLine(a.Length + b.Length);

    }

}

        Console.WriteLine("a.length+b.length");

    }

}