using System.Numerics;

public class Program
{
    public static void Main()
    {
        //BigInteger num =BigInteger.Parse(Console.ReadLine() ?? string.Empty);
        string[] str = (Console.ReadLine() ?? string.Empty).Trim().Split(' ');
        //string str = Console.ReadLine() ?? string.Empty;

        
        int year = int.Parse(str[0]);
        int month = int.Parse(str[1]);
        int day = int.Parse(str[2]);

        if(year >= 1989 &&  year <=2019)
        {
            if(year == 2019&& month > 4 || year == 1989 && month == 1 && day < 8)
            {
                Console.WriteLine("No");
                return;
            }
            Console.WriteLine("Yes");
        }
        else
        {
            Console.WriteLine("No");
        }


    }
}