PersonalTitles

using System;

class PersonalTitles
{
    static void Main(string[] args)
    {
        double years = double.Parse(Console.ReadLine());
        string gender = (Console.ReadLine());

        if (years >= 16)
        {
            if (gender == "m")
            {
                Console.WriteLine("Mr.");
            }
            else if (gender == "f")
            {
                Console.WriteLine("Ms.");
            }
        }
        else
        {
            if (gender == "m")
            {
                Console.WriteLine("Master");
            }
            else if (gender == "f")
            {
                Console.WriteLine("Miss");
            }
        }
    }
}