Calculate the angle between hour and minute

using System;
using System.Collections;
using static System.Console;

class Program
{
    public static void Main(string[] args)
    {
        Console.WriteLine(calcAngle(6,00));
    }

    static int calcAngle(double h,double m)
    {
        if(h<0 || m<0 || h>12 || m>60)
        {
            Console.Write("Wrong");
        }
        if(h==12)
        {
            h = 0;
        }
        if(m==60)
        {
            m = 0;
        }
        int hourangle = (int)(0.5 * (h * 60 + m));
        int minuteangle = (int)(6 * m);
        int angle = Math.Abs(hourangle - minuteangle);
        angle = Math.Min(360 - angle, angle);
        return angle;
    }
}