using System;

​

public class Program

{

    public static void Main()

    {

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

        string gender = Console.ReadLine();

        if (gender == "f")

        {

            if (age >= 16)

            {

                Console.WriteLine("Ms.");

            }

            else

            {

                Console.WriteLine("Miss");

            }

        }

        else if (gender == "m")

        {

            if (age >= 16)

            {

                Console.WriteLine("Mr.");

            }

            else

            {

                Console.WriteLine("Master");

            }

        }

        else

        {

         Console.WriteLine("There is not such a gender!");

        }

    }

}