using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Input your birth year : ");

        int born = int.Parse(Console.ReadLine());

        int age =(2567-born);

        Console.WriteLine("Your age = {0}",age);

​

        if (age >= 20)

        {

            Console.WriteLine("You can vote.");

        }

        else

        {

            Console.WriteLine("You can't vote.");

        }

    }

}