using System;
using System.Collections.Generic;
using System.Text;

namespace meetodiasendused
{
    class Punkt {
        protected int x;
        protected int y;
        public Punkt(int ux, int uy) {
            this.x = ux;
            this.y = uy;
        }
        public virtual double KaugusNullist() {
            return Math.Sqrt(x * x + y * y);
        }
        public string TeataAndmed() {
            return "x=" + x + " y=" + y;
        }
    }

    class RuumiPunkt : Punkt {
        protected int z;
        public RuumiPunkt(int ux, int uy, int uz):base(ux, uy) {
            this.z = uz;
        }
        public override double KaugusNullist()
        {
            return Math.Sqrt(x*x+y*y+z*z);
        }
        new public void TeataAndmed() {
            Console.WriteLine("x={0}, y={1}, z={2}", x, y, z);
        }
    }

    class Program
    {
        static void Main(string[] args)
        {
            Punkt p1 = new Punkt(3, 5);
            Console.WriteLine(p1.TeataAndmed() + " kaugus:" + p1.KaugusNullist());
            Punkt p2 = new RuumiPunkt(1, 2, 3);
            Console.WriteLine(p2.TeataAndmed() + " kaugus:" + p2.KaugusNullist());
            RuumiPunkt p3 = new RuumiPunkt(1, 2, 3);
            p3.TeataAndmed();
            Console.WriteLine(" kaugus:" + p3.KaugusNullist());
        }
    }
}