using System;

namespace Nested_conditional_statements
{
    class Program
    {
        static void Main(string[] args)
        {
            double age = double.Parse(Console.ReadLine());
            string gender = Console.ReadLine();

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