using System;

    using System.Collections.Generic;

    using System.Linq;

    public class Program

    {

        public static void Main()

        {

            var atm = new Atm();

            while (true)

            {

                int option;

                Console.WriteLine();

                Console.WriteLine("Menu:");

                Console.WriteLine("1. Create Account");

                Console.WriteLine("2. Deposit");

                Console.WriteLine();

                Console.Write("Please make a selection: ");

                var input = int.TryParse(Console.ReadLine(), out option);

                Console.WriteLine("-----------------");

                switch (option)

                {

                    case 1:

                        atm.CreateAccount();

                        break;

                    case 2:

                        atm.Deposit();

                        break;

                }

            }

        }

    }

    class Account

    {

        public int Id { get; set; }

        public string FirstName { get; set; }

        public string LastName { get; set; }

        public DateTime DateOfBirth { get; set; }

        public string PhoneNumber { get; set; }

        public double Balance { get; set; }

    }

    class Atm

    {

        public List<Account> Accounts { get; set; }

        public Atm()

        {

            Accounts = new List<Account>();

        }

        public void CreateAccount()

        {

            var account = new Account();

            Console.WriteLine("Create a new account!");

            Console.WriteLine();

            Console.Write("Enter first name: ");

            account.FirstName = Console.ReadLine();

            Console.Write("Enter last name: ");

            account.LastName = Console.ReadLine();

            Console.Write("Enter date of birth: ");

            account.DateOfBirth = DateTime.Parse(Console.ReadLine());

            Console.Write("Enter phone number: ");

            account.PhoneNumber = Console.ReadLine();

            account.Balance = 0.0;

            account.Id = Accounts.Count + 1;

            Accounts.Add(account);

        }

        public void Deposit()

        {

            int accountId;

            Console.Write("Enter your account number: ");

            int.TryParse(Console.ReadLine(), out accountId);

            var account = Accounts.FirstOrDefault(a => a.Id == accountId);

            if (account != null)

            {

                double amount;

                Console.Write("Enter amount to deposit: ");

                double.TryParse(Console.ReadLine(), out amount);

                account.Balance += amount;

                Console.Write("Your new balance is {0}", account.Balance);

            }

            else

            {

                Console.WriteLine("That account does not exist!");

            }

        }

    }