using System;

public class Program

{

    public static void Main()

    {

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

        var gender = Console.ReadLine();

        if (age < 16)

         {

            if (gender == "m") Console.WriteLine("Master");

            else if (gender == "f") Console.WriteLine("Miss");

         }

          else 

           {

              if (gender == "m") Console.WriteLine("Mr");

              else if (gender == "f") Console.WriteLine("Mrs");

           }

     }

}