import java.util.Scanner;

public class Program
{
    public static void main(String[] args)
    {
        Scanner vstup = new Scanner(System.in);
        String mena[] = {"Martin", "Milan", "Marcel", "Lukáš", "Majo"};

        String obs = vstup.next();
        for(int i = 0; i < mena.length; i++)
        {
            if(mena[i].contains(obs))   System.out.print(mena[i] + ", ");
        }
    }
}