using System;

class Program
{
    public void Solve()
    {
        DateTime YMD = DateTime.Parse(Console.ReadLine().Replace(' ', '/'));
        Console.WriteLine(new DateTime(1989, 1, 8) <= YMD && YMD <= new DateTime(2019, 4, 30) ? "Yes" : "No");
    }

    static void Main()
    {
        var solver = new Program();
        solver.Solve();
    }
}