using System;

​

namespace ClockAngle

{

    public class Program

    {

        public const double MinutesPerHour = 60;

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        public const double DegreesPerMinute = 360 / MinutesPerHour;

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        public const double DegreesPerHour = 30;

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        public double Hour;

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        public double Minute;

        public static void Main(string[] args)

        {

            Console.Write("Enter hour: ");

            double hour = Convert.ToDouble(Console.ReadLine());

            Console.Write("Enter minute: ");

            double minute = Convert.ToDouble(Console.ReadLine());

            double HourAngle = hour * DegreesPerHour + (minute / MinutesPerHour) * DegreesPerHour;

            double MinuteAngle = minute * DegreesPerMinute;

            double Angle = Math.Abs(HourAngle - MinuteAngle);

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            if (Angle > 180)

                Angle = 360 - Angle;

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            if (hour <= 0 || hour > 12 || minute < 0 || minute > 60)

                Console.WriteLine("Undefined time format");

            else

                Console.WriteLine(Angle);

                Console.ReadLine();

        }

​

    }

}

​