using System;

public class Program

{

    public static void Main()

    {

        double age = double.Parse(Console.ReadLine());

            string gender = Console.ReadLine();

            if (age<16)

            {

                    if (gender=="m")

                {

                    Console.WriteLine("Master");

                }

                    else

                {

                    Console.WriteLine("Miss");

                }

            }

            else

            {

                if(gender=="m")

                {

                    Console.WriteLine("Mr.");

                }

                else

                {

                    Console.WriteLine("Ms.");

                }

            }

        }

    }

​