using System;

using System.Globalization;

​

namespace Aplication

{

    class Program

    {

        static void Main(string[] args)

        {

            double[] altura;

            char[] sexo;

            double somaAltF = 0.0, media, MenorAlt, MaiorAlt;

            int countM = 0;

​

            int N = int.Parse(Console.ReadLine());

​

            altura = new double[N];

            sexo = new char[N];

​

            for (int i = 0; i < N; i++)

            {

                string[] s = Console.ReadLine().Split(' ');

​

                altura[i] = double.Parse(s[0], CultureInfo.InvariantCulture);

                sexo[i] = char.Parse(s[1]);

​

                if (sexo[i] == 'M')

                    countM++;

                else

                    somaAltF = somaAltF + altura[i];

            }

​

            media = (double)somaAltF / (N - countM);

​

​

            MenorAlt = 2.0;

            MaiorAlt = 0.0;

            for (int i = 0; i < N; i++)

            {

                if (altura[i] > MaiorAlt)

                    MaiorAlt = altura[i];

​

                if (altura[i] < MenorAlt)

                    MenorAlt = altura[i];

​

            }

​

            Console.WriteLine("Menor altura = " + MenorAlt.ToString("F2", CultureInfo.InvariantCulture));

            Console.WriteLine("Maior altura = " + MaiorAlt.ToString("F2", CultureInfo.InvariantCulture));

            Console.WriteLine("Media das alturas das mulheres  = " + media.ToString("F2", CultureInfo.InvariantCulture));

            Console.WriteLine("Numero de homens = " + countM);   

​

        }

    }

}