using System;
using System.Text.RegularExpressions;

class Program
{
    static void Main(string[] args)
    {
        var N = Console.ReadLine();

        var regex = new Regex("1");
        if (regex.Matches(N).Count == 2) 
            Console.WriteLine("Yes");
        else
        {
            regex = new Regex("^1{3,}0*$");
            if (regex.IsMatch(N)) Console.WriteLine("Yes");
            else Console.WriteLine("No");
        }
    }
}