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

namespace Demo
{
    class BankAccount
    {
        //полета
        private int id;
        private double balance;

        //методи
        public BankAccount()
        {
            //ctor + tab + tab
            //празен обект ->id = 0, balance = 0
        }

        public BankAccount(int id1, double balance1)
        {
            //обект -> id = id1, balance = balance1
            id = id1;
            balance = balance1;

        }
        public int Id {
            get
            {
                return id;
            }
            set
            {
                id = value;
            }
        }
        public double Balance
        {
            get
            {
                return balance;
            }
            set
            {
                balance = value;
            }
        }
        //deposit -> balance += sum
        public void Deposit (double sum)
        {
            this.balance += sum;
        }

        //withdraw -> balance -= sum
        public void Withdraw (double sum)
        {
            this.balance -= sum;
        }
    }
}