using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine(whos(new String[] {"Peter"}));

    }

    public static string whos(string[] name){

        int tam = name.Length;

        String result = "";

        switch(tam){

            case 0:

                result = "no One like this";

            break;

            case 1:

                result = String.Format("{1} likes this", name[0]);

            break;

            case 2:

            break;

            case 3:

            break;

            default:

            break;

        }

        return result;

    }

}