using System;

public class Program

{

    class Phone

    {

        private string owner; //שם הבעלים

        private int calls; //שיחות שהתבצעו

        private bool isOn;

        public Phone(string owner)

        {

            this.owner = owner;

            this.calls = 0;

            this.isOn = false;

        }

        public string GetOwner()

        {

            return owner;   

        }

        public int GetCalls()

        {

            return calls;   

        }

        public void TurnOn()

        {

            isOn = true;

        }

        public void TurnOff()

        {

            isOn = false;

        }

        public void CallTo(string phoneNumber)

        {

            if(isOn == true)

            {

                Console.WriteLine(owner + " makes a phone call to number " + phoneNumber);

                calls++;

            }

            else

            {

                Console.WriteLine("Can't do phone calls when phone is off");

            }

        }

    }

    public static void Main()

    {

        Console.WriteLine("Hello World");

    }

}