using System;

​

namespace IDCSharp

{

    public class Tabungan {

        private double saldo=0;

        public void Menabung(double n) {

            saldo += n;

        }

        public void Mengambil(double n) {

            saldo -= n;

        }

        public double GetSaldo() {

            return saldo;

        }

    }

    public class Program

    {

        public static void Main(string[] args)

        {

            Tabungan bank = new Tabungan();

            bank.Menabung(10000000);

            bank.Mengambil(500000);

            Console.WriteLine(bank.GetSaldo());

        }

    }

}