using System;

public class Program

{

    public static void Main()

    {

        int hh = 6;

        int mm = 50;

        Double angle  = GetAngleBtwnHHMM(hh, mm);

        Console.WriteLine(@"Angle is -> {0}",angle);

    }

    public static Double GetAngleBtwnHHMM(int hh, int mm)

    {

        Double hhAngle  = (hh*30.0)+(mm*30.0/60);       

        Double mmAngle  = mm*6.0;

        Double angle = Math.Abs(hhAngle - mmAngle);

        return (angle > 180)? (360 - angle) : (angle);

    }

}