using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Please enter your name:");

        var name = Console.ReadLine();

        Console.WriteLine("Please enter your age");

        int age = Convert.ToInt32(Console.ReadLine());

        year

            Console.WriteLine("Please enter your year of entry (4 digits):");

        int year = Convert.ToInt32(Console.ReadLine());

        if (year<1000){

            Console.WriteLine

    }

}