using System;

public class Program

{

    enum BMI : int

        {

            Tezka_podvyziva = 0,

            Podvaha = 165,

            Optimalni_vaha = 185,

            Nadvaha = 250,

            Obezita1 = 300,

            Obezita2 = 350,

            Obezita3 = 400,

            nekonecno = 1000

        }

        static double spoctiBMI1(double a, double b)

        {

            double BMI1 = b / (a * a);

            return BMI1;

        }

        static BMI spoctiBMI2(double a, double b)

         {            

            int BMI2 = Convert.ToInt32(spoctiBMI1(a,b) * 10);            

            if (BMI2 < 165) BMI2 = 0;

            else if (BMI2 < 185) BMI2 = 165;

            else if (BMI2 < 250) BMI2 = 185;

            else if (BMI2 < 300) BMI2 = 250;

            else if (BMI2 < 350) BMI2 = 300;

            else if (BMI2 < 400) BMI2 = 350;

            else  BMI2 = 400;            

            return (BMI)BMI2;

        }

        public static void Main()

        {

            BMI y;

            double x;            

            x = spoctiBMI1(1.70, 61.5);

            y = spoctiBMI2(1.67, 80);

            Console.WriteLine(x);            

            Console.WriteLine(y);            

            Console.ReadLine();

        }

}