Calculating Date of Birth from your Age

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace FindingBirthday {
    class Program {
        static void Main(string[] args) {
            // Create variables
            int year = 0, month = 0, date = 0;

            // Get the values
            Console.WriteLine("How many years have passed?");
            year = Convert.ToInt32(Console.ReadLine());

            Console.WriteLine("How many months have passed?");
            month = Convert.ToInt32(Console.ReadLine());

            Console.WriteLine("How many days have passed?");
            date = Convert.ToInt32(Console.ReadLine());

            // Do the math and write it!
            Console.WriteLine(
            String.Format("Your birthday was on {0}",
            DateTime.Now // Get current instance of time
            .AddYears(-year) // Add years
            .AddMonths(-month) // Add months
            .AddDays(-date) // Add days
            .ToString("MMMM dd, yyyy on dddd") // Format it
            ));

            // Just for sake of pausing the Console
            Console.Read();
        }
    }
}