using System;

public class Program

{

    public static void Main()

    {

            Console.WriteLine("\n\tAge of a person.\n");

            Console.Write("Please enter your birtdate, whit period between day, month and year: ");

            DateTime birthdate = DateTime.Parse(Console.ReadLine());

            TimeSpan age = DateTime.Now - birthdate;

            Console.WriteLine($"Your age is {age.Days / 365} years old.");

    }

}