using System;

public class Program

{

    public static void Main()

    {

        decimal hour = 8;

        decimal min = 49;

        decimal hourAngle = (hour * 360) / 12 + (min * 360) / (12 * 60);

        decimal minuteAngle = (min * 360) / (60);

        decimal angle = Math.Abs(hourAngle - minuteAngle);

        // Shortest angle

        if (angle > 180) {

            angle = 360 - angle;

        }

        Console.WriteLine(angle);

    }

}